← all papers · male infertility (137) Science journalism, not medical advice.
- Gene Defect Leaves Sperm Trapped in Cytoplasm2026-07-15
A single gene defect leaves mouse and human sperm wrapped in leftover cytoplasm, misshapen, and infertile
SPEM2 deficiency disrupts spermiation leading to oligoasthenoteratozoospermia and male infertility male infertility genetics spermatogenesis animal study semen quality
- Skip Leg Day, Hurt Your Fertility?2026-07-11
A narrative review argues weak muscles and low testosterone track with worse sperm quality, but cites no new data of its own
Male fertility as an integral reflection of metabolic, endocrine, and musculoskeletal health male infertility narrative review testosterone exercise
- Clomiphene Matches TRT's Testosterone Boost, Not Libido2026-07-11
Clomiphene raised testosterone about as well as TRT gel in 1,512 men, but libido scores came out lower
Clomiphene citrate versus testosterone replacement therapy in male hypogonadism: a systematic review of literature and meta-analysis hypogonadism testosterone therapy male infertility meta-analysis
- Nanoparticle Packaging Makes an Antioxidant More Testicle-Protective2026-07-06
Chitosan-wrapped naringin protected rat testes from pesticide damage better than the plain compound did
Molecular insights into the protective role of nano-naringin in mancozeb-induced testicular damage and infertility animal study nanomedicine oxidative stress male infertility
- The Fertility Add-On That Doesn't Add Up2026-07-01
ICSI showed no live birth edge over standard IVF in 1,438 couples without severe male infertility
Does Intracytoplasmic Sperm Injection Outperform Conventional In Vitro Fertilization in Couples Without Severe Male Factor Infertility? A Systematic Review and Meta-Analysis of Randomized Controlled Trials infertility male infertility evidence quality systematic review
- Lifelong Male Infertility Diagnosis Reverses in 1-in-102026-06-25
~10–15% of men with congenital hypogonadotropic hypogonadism spontaneously recover testosterone and fertility after stopping treatment
Reversible Congenital Hypogonadotropic Hypogonadism: Keys for Clinical Management hypogonadism male infertility genetics narrative review
- Meet the Immune Cells Guarding Your Sperm Supply2026-06-23
A review of mouse studies argues rogue immune cells in the testis may drive some male infertility
Testicular macrophages: core immune regulators and emerging therapeutic targets in spermatogenic dysfunction male infertility spermatogenesis immunology testicular disease animal study narrative review
- Pesticide Wrecks Rat Sperm; Nanoparticles Help2026-06-22
Niosome-encapsulated l-carnitine and quercetin partially reversed atrazine-induced sperm damage in rats — in groups of 5 animals each
Niosomal l-carnitine and quercetin improve sperm quality and testicular function in atrazine-induced reproductive toxicity in rats animal study oxidative stress male infertility environmental exposure nanomedicine semen quality
- 1 in 4 NOA Men Become Fathers via TESE2026-06-20
Only 40 of 168 men with severe infertility fathered a child via TESE-ICSI, taking a median 19.5 months
Cumulative live birth rates following testicular sperm extraction in non-obstructive male infertility. male infertility retrospective cohort pregnancy surgical outcomes
- New Ultrasound Spots Fertility Treatment Response Early2026-06-18
A super-resolution ultrasound scan detected testicular treatment response before blood hormone tests did
Ultrasound localisation microscopy tracks testicular microvascular adaptations to endocrine function in male infertility hypogonadism male infertility biomarkers case-control study
- Two Hormones Beat One for Azoospermic Men2026-06-16
74% of azoospermic men produced sperm on hormone therapy; combination outperformed monotherapy 78% vs 33%
Therapeutic Benefits of Gonadotropins in Male Hypogonadotropic Hypogonadism hypogonadism male infertility spermatogenesis retrospective cohort pregnancy
- Five Cell Death Routes Killing Sperm2026-06-16
Narrative review maps five regulated cell death pathways — apoptosis, autophagy, pyroptosis, ferroptosis, efferocytosis — as drivers of spermatogenic failure
Targeting Programmed Cell Death in Male Infertility: Pathogenic Mechanisms and Therapeutic Strategies male infertility spermatogenesis autophagy oxidative stress narrative review inflammation
- Could a Blood Test Replace Testicular Biopsy?2026-06-15
A 2026 narrative review maps the landscape of non-invasive biomarkers for azoospermia diagnosis, covering small RNAs, proteomics, genetic markers, and imaging
Research Progress on the Pathogenesis and Diagnostic Biomarkers of Azoospermia male infertility biomarkers genetics genomics spermatogenesis narrative review
- Vitamins Topped Every Other Lifestyle Factor in IVF2026-06-10
Of 501 couples undergoing IVF, the only factor linked to pregnancy when both partners were assessed together was taking vitamins, minerals, and trace elements
Occupational and Lifestyle Factors of Male and Female Infertility Patients: Do They Impact ART Success? infertility male infertility occupational exposure pregnancy cohort study
- Chinese Herb Mix Repairs Cadmium-Damaged Sperm — In Mice2026-06-04
A 7-herb TCM formula reversed cadmium-induced testicular damage in mice, improving sperm DNA fragmentation and hormone levels — no human data exists
A mechanistic study on the repair of cadmium-induced male infertility using Yishen Tongluo formula based on network toxicology and experimental validation male infertility animal study oxidative stress traditional chinese medicine DNA fragmentation environmental exposure
- Your Father's Chemical Exposure May Shape Your Health2026-06-03
Review links six ubiquitous EDC classes to sperm damage and transgenerational harm — paternal occupational exposure tied to low birth weight and congenital heart disease in offspring
Endocrine Disruption and Male Fertility environmental exposure epigenetics male infertility semen quality oxidative stress infertility
- Two Cheap Drugs Beat One for Diabetic Testis Damage — In Mice2026-06-02
Combination metformin + vitamin C outperformed either drug alone on sperm viability and Johnsen scores in streptozotocin-diabetic mice (n=6/group)
Protective Effects of Metformin and Vitamin C on Diabetes-Induced Testicular Dysfunction animal study diabetes male infertility oxidative stress spermatogenesis
- Male Infertility's Default Drug May Be Wrong for Most2026-06-01
Opinion review argues clomiphene and aromatase inhibitors are empirically prescribed without endocrine phenotyping — and proposes gonadotropins instead
From Tablets to Targeted Therapy: The APHRODITE Era in Male Infertility male infertility hypogonadism spermatogenesis narrative review evidence quality
- Two Men Failed IVF Until Doctors Checked Their DNA2026-06
Two novel PLCZ1 frameshift mutations caused near-total IVF failure; adding assisted oocyte activation pushed fertilization rates to 73–80%
Clinical Features and PLCZ1 Gene Variants in Two Cases of Male Infertility: A Case Series and Literature Review genetics genomics male infertility case report
- Radiation Snaps the Hinge That Makes Sperm Swim2026-05-27
Synchrotron imaging in irradiated mice reveals the sperm annulus — a structural ring — as the primary fracture point after ionizing radiation exposure
Annulus Fracture Underlies Radiation-Induced Sperm Dysfunction Revealed by Multimodal Nano-Imaging animal study male infertility spermatogenesis environmental exposure semen quality
- Can Varicocele Inflammation Reach the Penis?2026-05-25
A narrative review proposes that varicocele-driven systemic inflammation may impair erectile function — but the clinical evidence is thin
Advances in Immune-Inflammatory Interactions Within the Testicular-Penile Microenvironment of Varicocele Patients varicocele erectile dysfunction inflammation narrative review oxidative stress spermatogenesis immunology male infertility
- Oxidative Lipid Damage Markers: A New IVF Yardstick?2026-05-23
A narrative review argues F2-isoprostanes and isofurans could be stable, reliable markers of reproductive oxidative damage — but admits the evidence base is thin
Isoprostanes and Isofurans in Infertility and Assisted Reproduction: What Do We Know So Far? oxidative stress infertility male infertility biomarkers narrative review semen quality
- Weight Loss Surgery Improved Sperm Quality — No Pregnancies Followed2026-05-23
43 obese infertile men saw testosterone rise and semen motility improve after bariatric surgery — but zero pregnancies in 12 months
The Influence of Different Bariatric Surgeries on Male Sex Hormones and Semen Parameters Among Infertile Obese Male Patients: An Observational Study male infertility obesity testosterone semen quality surgical outcomes
- Their Own Herbal Formula Fixed Sperm — in Mice2026-05-22
Mouse study: a team's proprietary herbal decoction improved sperm count and motility after drug-induced damage, via PI3K/Akt and MAPK pathways
Chinese Medicine Sheng Jing Decoction Alleviates Oligoasthenospermia by Modulating PI3K/Akt and MAPK Signaling Pathways animal study male infertility traditional chinese medicine spermatogenesis oxidative stress
- Two Supplements Blunt Chemo's Testicular Damage — In Rats2026-05-21
Melatonin and apigenin each partially reversed paclitaxel-induced testicular damage in rats, raising Johnsen scores from 5 back to ~8 out of 9
Comparative Protective Effects of Melatonin and Apigenin Against Paclitaxel-Induced Testicular Injury in Rats: Oxidative Stress, DNA Damage, Apoptosis, and NF-κB Signaling animal study oxidative stress spermatogenesis testicular disease male infertility
- New Gene Found Behind Structurally Broken Sperm2026-05-19
Knockout mice lacking DNAI4 are completely infertile with shattered sperm flagella, pointing to a candidate gene for the ~40% of human MMAF cases still unexplained.
DNAI4 is Required for Flagellum Assembly and Male Fertility in Mice animal study male infertility genetics spermatogenesis
- Gut Bacteria May Hurt Sperm. The Evidence Is Thin.2026-05-16
A plausible gut-testis axis linking dysbiosis to poor sperm quality — authors themselves admit few human studies back it up
Gut Microbial Dysbiosis and Male Reproductive Health: Current Insights and Future Directions gut microbiome male infertility spermatogenesis narrative review testosterone inflammation
- CML Drug Hits Developing Testes Hardest2026-05-14
Imatinib damages testes via c-KIT/PDGFR inhibition; neonatal exposure carries high irreversibility risk, adult exposure is more forgiving
A Scoping Review of Imatinib-Induced Testicular Toxicity and Male Fertility Impairment male infertility spermatogenesis scoping review pharmacovigilance pediatric urology
- One Editorial, No New Data on Varicocele2026-05-12
A leading infertility surgeon's editorial preview of a themed issue, containing no original data of its own
Varicocele: new perspectives on an old problem varicocele male infertility narrative review testosterone
- Immune War in the Testis — Mostly Mouse Data2026-05-12
A review proposes that a shared immune-inflammatory cascade disrupts sperm production — then admits most evidence comes from animals, not men.
Immunological Mechanisms and Precision Stratification in Male Infertility immunology male infertility inflammation oxidative stress narrative review biomarkers spermatogenesis
- Plastic Chemicals May Rewrite Fertility Across Generations2026-05-08
A narrative review argues BPA harms male fertility via gut dysbiosis and epigenetic marks — but admits the transgenerational evidence is provisional at best
Transgenerational Exposure to Plastics-Derived Endocrine-Disrupting Bisphenol A and Its Analogs on Male Infertility: Impact of Gut Dysbiosis and Epigenetic Regulation environmental exposure epigenetics male infertility narrative review spermatogenesis gut microbiome
- Diabetes Breaks Both Sperm and Memory — Here's How2026-05-08
A narrative review proposes shared neuroendocrine-immune pathways linking diabetic infertility and cognitive decline — no new data, theory only
The relationships between diabetic male infertility, diabetic cognitive impairment, and the neuroendocrine-immune network: A review diabetes male infertility narrative review spermatogenesis neurodegenerative diseases
- One Y Chromosome Deletion Beats Two for Sperm Retrieval2026-05-07
AZFc deletions yield sperm retrieval in 58.85% of azoospermic men; complete AZFa/b deletions are essentially futile for TESE.
Y Chromosome and Male Fertility: The AZF Genes and Their Deletion genetics male infertility spermatogenesis genomics
- Lab-Grown Mini-Testes Make Hormones — Sperm Still Elusive2026-05-06
Testicular organoids sustain testosterone and inhibin B production for up to 12 weeks in culture, but complete spermatogenesis remains out of reach
Generation and Utility of Endocrine Functional Testicular Organoids stem cells spermatogenesis male infertility narrative review testicular disease
- Semen Inflammation Signals Sperm DNA Damage — With Caveats2026-05-06
High sperm DNA fragmentation correlated with elevated NLRP3, caspase-1, IL-1β, and IL-18 — but the protein data came from only 5 men per group
Inflammasome-Related Markers and Long Non-Coding RNAs in Seminal Plasma: Associations with Sperm DNA Fragmentation and Male Infertility male infertility DNA fragmentation inflammation biomarkers epigenetics oxidative stress
- Viral Orchitis Treatments Still Largely Inadequate2026-05-05
This narrative review covers how viruses like HIV and mumps damage testicular function—and admits current treatments fall short
Viral Orchitis and Male Infertility: A Comprehensive Review of Pathogenic Mechanisms and Outcomes male infertility orchitis spermatogenesis inflammation narrative review immunology
- Inside Infertile Sperm: The Missing Power Switch2026-05
In sperm from oligoasthenospermic men, ATP synthase subunits dropped significantly while cytochrome c oxidase rose — in just 17 men
High-Resolution Imaging Reveals Mitochondrial Protein Imbalance in Sperm of Oligoasthenospermic Men male infertility semen quality biomarkers oxidative stress
- A Third Way Sperm Cells Die: Ferroptosis2026-05
Review maps three oxidative stress-driven cell death pathways in testicular tissue, spotlighting ferroptosis as an understudied mechanism
Oxidative Stress-Related Programmed Cell Death in Male Infertility: Focussing on Ferroptosis male infertility oxidative stress spermatogenesis narrative review iron metabolism autophagy
- When Should Teen Varicoceles Get Surgery?2026-04-30
One children's hospital's playbook for deciding which teens with varicocele need surgery
Adolescent varicocele: a surgical conundrum varicocele pediatric urology male infertility narrative review surgical outcomes
- Can Metformin Treat Male Infertility?2026-04-29
Review argues AMPK—an energy-sensing enzyme disrupted by obesity and diabetes—could be a druggable target for male infertility
Targeting AMPK Networks for Male Reproductive Health: Mechanisms and Emerging Therapies male infertility metabolic syndrome spermatogenesis narrative review oxidative stress testosterone
- Sperm Create the Toxins That Destroy Them2026-04-25
Oxidative stress causes at least one-third of male infertility, and sperm generate the damaging reactive oxygen species themselves
Molecular Advances in Male Infertility and Fertility: Importance of Redox Regulation and Oxidative Stress male infertility oxidative stress sperm capacitation narrative review
- Whose Infertility Hurts Whom More?2026-04-21
Female-factor infertility lowered male partners' wellbeing scores; male-factor infertility had no detectable effect on female partners
Male- and Female-Factor Infertility and Partners' Quality of Life During ART infertility male infertility cross-sectional quality of life
- Chemo Wrecks Testes — A Gut Molecule Probably Won't Fix It2026-04-19
Doxorubicin scrambles testicular metabolism in mice; a gut-derived molecule reduced cell-dish damage, but the human genetic signal didn't survive correction for multiple comparisons
Metabolomics and Exploratory Mendelian Randomization Identify Indole-3-Propionic Acid Associated with Doxorubicin-Induced Testicular Injury animal study male infertility oxidative stress biomarkers
- TCM Sperm Pill: 56 Animal Studies, 8 Human Trials2026-04-16
A PRISMA-screened evidence map finds mechanistic plausibility but only 8 clinical trials — most evidence is animal data
Multi-component, multi-target actions of Wuzi Yanzong Pill in male infertility: An evidence map linking clinical signals to mechanistic networks. male infertility traditional chinese medicine spermatogenesis oxidative stress evidence quality
- Testosterone-Tipped Nanoparticles Find the Testes in Mice2026-04-15
Nanoparticles carrying green tea extract (EGCG) and zinc reduced testicular inflammation and preserved sperm structure in a mouse orchitis model
Testosterone-Modified Liposomes Loaded with the Zn-Polyphenol Complex for Treatment of Male Infertility animal study male infertility inflammation oxidative stress spermatogenesis
- Beyond Overheating: Varicocele's Multi-Front War on Sperm2026-04-15
Narrative review maps varicocele's damage chain: dilated veins trigger heat, oxidative damage, inflammation, and immune attacks that collectively wreck sperm
Testicular Microenvironment Disruption in Varicocele: Mechanisms and Implications for Spermatogenesis varicocele male infertility oxidative stress spermatogenesis narrative review
- The Gene That Breaks Sperm—But Not Eggs2026-04-15
Mice lacking the RNA-binding protein LARP1 produce sperm with defective flagella, malformed heads, and poor motility — females are unaffected
Deficiency of LARP1 Impairs Spermatogenesis and Leads to Male Subfertility in Mice animal study male infertility spermatogenesis genetics
- Vitamin D Improves Sperm, Not Pregnancies2026-04-13
Vitamin D boosted sperm motility by 6.96% and testosterone slightly, but had no measurable effect on pregnancy or live birth rates (n=1,168)
Vitamin D supplementation in infertile men: a systematic review and meta-analysis of effects on semen quality and endocrine function male infertility semen quality testosterone meta-analysis systematic review
- Central Asia's Male Infertility Problem Is Getting Worse2026-04-06
Male infertility prevalence rose in 4 of 5 Central Asian countries over 32 years; incidence climbed in all five
Long-Term Epidemiological Trends and Regional Disparities in Male Infertility in Central Asia (1991-2023) male infertility health services epidemiology environmental exposure
- Could Infertility Predict Brain Disease? Too Soon to Tell2026-04-02
13-study systematic review finds preliminary mechanistic overlap between male infertility and neurodegeneration — no prospective evidence yet
Male Infertility and Neurodegenerative Diseases: A Systematic Review of Associations and Molecular Mechanisms systematic review male infertility neurodegenerative diseases oxidative stress biomarkers
- Three Mouse Studies Don't Make a Therapy2026-03-31
A systematic review of exactly 3 mouse studies concludes fat-cell secretions partially regenerate chemotherapy-damaged testes — in rodents
Adipose-Derived Mesenchymal Stem Cell Secretome Promotes Testicular Regeneration Following Chemically Induced Injury: A Review of Preclinical Studies male infertility stem cells animal study spermatogenesis
- A Mouse "Space Sperm" Study Finds a Fertility Protein2026-03-31
Mouse and cell study ties a mitochondrial peptide to sperm cell survival under simulated microgravity stress
Mitochondrial-Derived Peptide MOTS-c Targets SLC7A11 to Preserve Spermatogenesis by Suppressing Ferroptosis male infertility spermatogenesis oxidative stress animal study biomarkers
- Sperm's Molecular On-Switch — And How to Flip It2026-03-23
A narrative review maps the cAMP signaling cascade that triggers sperm capacitation — and flags it as a dual target for infertility treatment and non-hormonal male contraception
Mechanistic Insights into Sperm cAMP Signaling: Relevance for Male Infertility and Contraceptive Development male infertility sperm capacitation contraception oxidative stress
- Too Many Gene Copies Wreck Yak Hybrid Sperm2026-03-21
Yak Y chromosomes carry 2–4× more active sperm-related gene copies than cattle; researchers propose this mismatch explains complete hybrid male sterility
Divergent Amplification of Y-Linked Dosage-Sensitive Genes Triggers Regulatory Mismatch Underlying Cattle-Yak Male Sterility male infertility spermatogenesis genomics animal study
- Heat Kills Sperm. Can L-Citrulline Help? Ask a Pig2026-03-20
A narrative review of mostly animal data argues L-citrulline may protect sperm from heat damage via nitric oxide pathways — human evidence is thin
Heat Stress-Mediated Oxidative Damage in Male Germ Cells: Potential Protective Effects of L-Citrulline oxidative stress male infertility spermatogenesis animal study
- One Gene Deletion Kills All Sperm Maturation in Mice2026-03-20
Knocking out a single gene in mice triggers complete male infertility by blocking the histone-to-protamine swap that compacts sperm DNA
PRAMEL12 orchestrates spermiogenesis to ensure male fertility in mice animal study male infertility spermatogenesis genetics epigenetics
- Ginger Improves Sperm in Obese Rats — Humans TBD2026-03-20
Ginger and fenofibrate each reversed obesity-induced sperm and hormone deficits in rats — no human data exists
Effect of Ginger Extract and/or Fenofibrate on the Associated Infertility of Experimentally Induced Obese Wistar Albino Male Rats animal study obesity male infertility oxidative stress spermatogenesis testosterone
- One Blood Test Stands Out — But Should It?2026-03-19
In 198 Ghanaian ART patients, only serum chloride differed between pregnancy and non-pregnancy groups — a marginal gap within normal range
Male Factors Associated With Success Following Assisted Reproduction Technology Among Infertile Couples in Ghana male infertility semen quality cross-sectional biomarkers pregnancy
- Male Fertility Prevention: Everything but the Numbers2026-03-18
Narrative review maps primary-to-tertiary prevention in male reproductive health — broad scope, no original data, no quantified effect sizes
Preventive Strategies and Biomarkers in Male Reproductive Health from Multidisciplinary Perspective: Narrative Review male infertility biomarkers infertility screening evidence quality
- Most CHH Cases Have No Single Gene to Blame2026-03-17
In 88 Japanese CHH patients, only 39% had a confirmed pathogenic variant; the rest showed hallmarks of multi-gene inheritance
Comprehensive Molecular Studies in 88 Japanese Patients With Congenital Hypogonadotropic Hypogonadism genetics hypogonadism male infertility genomics
- When the Testes Lose Their Immune Shield2026-03-17
A narrative review estimates up to 15% of male infertility stems from immune dysregulation at the blood-testis barrier
Testicular Immune Privilege Revisited: When Protection Fails male infertility immunology narrative review antisperm antibodies spermatogenesis infertility
- Sperm's Chemical Entourage Signals the Uterus2026-03-16
Review argues seminal cytokines don't just carry sperm — they actively shape uterine receptivity and embryo implantation
Seminal Fluid Cytokines in Reproductive Health and Fertility of Men male infertility immunology semen quality inflammation narrative review
- AI Will Fix Male Infertility (Trust Us)2026-03-16
A solo computer scientist argues LLMs could transform male infertility research — with zero data to show for it
Future directions in infertility research: the role of generative AI and large language models. male infertility infertility genetics epigenetics
- The Cilia Gene Running the Sperm Factory2026-03-15
Knocking out a cilia gene in fish collapses the testicular niche — sperm motility fails and Sertoli cells die off before sperm do
NPHP4 Deficiency Disrupts Testicular Homeostasis and Impairs Male Fertility in Medaka (*Oryzias latipes*) animal study male infertility spermatogenesis genetics
- Why Is One-Third of Male Infertility Unexplained?2026-03-14
Male infertility causes 20–30% of all infertility cases globally, yet 30–40% of cases have no identified cause
Epidemiology, Etiopathogenesis, Diagnosis, and Treatment of Male Infertility — Current Trends and Future Directions: A Narrative Review male infertility epigenetics environmental exposure biomarkers
- Fixing a Fertility Problem Also Lifts Testosterone2026-03-13
Varicocele repair raised testosterone by 80-100 ng/dL on average, per a review of existing studies
Varicocele and low testosterone varicocele hypogonadism testosterone male infertility narrative review
- Sperm-Only Ion Channels Could Enable Male Contraception2026-03-12
A review of the ion transport machinery in sperm membranes — some of it unique to sperm — and why mutations in these systems cause infertility
The systems that transport ions and their impact on sperm function and male fertility. male infertility sperm capacitation genetics contraception narrative review
- When Your Body Attacks Your Own Sperm2026-03-12
Editorial overview of a themed issue: blood-testis barrier, antisperm antibodies, seminal cytokines, and genital pathogens as fertility disruptors
Male Infertility and Immune Function immunology male infertility semen quality systematic review narrative review inflammation antisperm antibodies
- HPV Raises Antisperm Antibodies Tenfold2026-03-11
GU infections were linked to measurable sperm parameter declines, but pregnancy outcomes mostly held — HPV was the outlier, with a tenfold antisperm antibody spike
Impact of Male Genital Tract Infections on Semen Quality: A Systematic Review and Meta-Analysis male infertility semen quality systematic review meta-analysis HPV antisperm antibodies inflammation
- When Your Immune System Attacks Your Sperm2026-03-09
Antisperm antibodies affect 5–12% of infertile men; immunosuppression was abandoned as ineffective — ICSI now mechanically bypasses the immune barrier at >80% antibody binding
Antisperm Antibodies and Autoimmunity in the Era of Assisted Reproduction male infertility immunology antisperm antibodies narrative review
- Gum Disease and Infertility: Mostly Speculation So Far2026-03-08
A narrative review argues gum disease may worsen fertility via inflammation, but admits the human data barely supports it
Infertility and Periodontitis: Are We Connecting the Right Dots? infertility male infertility inflammation oxidative stress narrative review
- Poor Sperm, Worse Health: The Iceberg Below2026-03-06
Review argues 1–6% of infertile men have undetected life-threatening pathology, yet workup stops at semen analysis
Is Male Infertility an Early Warning of More Serious Diseases? male infertility genetics semen quality biomarkers
- Dirty Air, Worse Sperm: Meta-Analysis Confirms2026-03-06
Four meta-analyses pooled: air pollution correlates with modestly lower sperm motility, concentration, and morphology
Air pollution and male infertility: A meta-umbrella study of evidence on semen quality male infertility air pollution semen quality meta-analysis
- Lichen Extract Nearly Triples Sperm Motility — In Rats2026-03-05
Atranorin, a lichen-derived compound, restored sperm motility by 189% and testosterone by 90% in alloxan-diabetic rats at 170 mg/kg.
Extraction, Characterization, and Biological Evaluation of Atranorin Against Diabetes-Induced Reproductive Dysfunction Through Modulation of Oxidative Stress, Inflammatory Pathways and Key Reproductive Enzymes animal study male infertility oxidative stress semen quality testosterone
- Can AI Read Sperm Better Than Humans?2026-03-03
Systematic review maps AI applications in male fertility — sperm analysis, treatment prediction — but reports no pooled numbers
Artificial Intelligence and Infertility: A Systematic Review male infertility systematic review semen quality artificial intelligence
- The 'We Don't Know' Label Hiding Oxidative Damage2026-03-03
Up to 40% of male infertility is labeled "idiopathic" — this review argues that's a diagnostic failure, not a biological reality
Idiopathic Male Infertility Revisited: Can Redox Endophenotypes Reframe the 'Idiopathic' Label? male infertility oxidative stress biomarkers spermatogenesis
- Vitamins Nudge Sperm Motility, Not Much Else2026-03-02
Antioxidant/vitamin combo raised sperm motility from 17% to 24% in infertile men — statistically significant, still well below normal
Therapeutic Supplementation With Antioxidants and Vitamins Improved Sperm Motility Among Infertile Men With Idiopathic Low Spermatogenesis male infertility oxidative stress spermatogenesis semen quality cohort study
- Lab-Grown Sperm: Closer, But Not There2026-03-01
Narrative review maps iPSC-to-sperm progress — validated precursor cells exist, but maturation to functional sperm remains unsolved
The road to restore male fertility using in vitro-derived germ cells male infertility infertility genetics stem cells
- Lifestyle Trims Help Sperm; Surgery Doesn't2026-03-01
Losing weight may help sperm quality, but the method matters—and most of the evidence is weak
The effect of obesity interventions on male fertility: a systematic review and meta-analysis male infertility obesity meta-analysis
- COVID-19 Damages Sperm. Five Measures Down.2026-03
This meta-analysis of cohort studies found statistically significant reductions in sperm concentration, count, motility, and DNA fragmentation index following SARS-CoV-2 infection.
The Impact of SARS-CoV-2 on Male Infertility: A Systematic Review and Meta-Analysis of Cohort Studies male infertility semen quality meta-analysis COVID-19 DNA fragmentation
- Mom's Diet Shapes Her Son's Sperm, in Cattle2026-03
Genetics explains only ~15% of male infertility; a cattle review argues epigenetic marks fill the gap — and pass across generations
Bull Fertility and Epigenetics: Exploring Influences Beyond Genetics animal study male infertility genetics epigenetics biomarkers
- One Gene Knockout Tanks Sperm Count in Mice2026-02-28
Germ-cell deletion of TNXB in mice causes testicular atrophy, tubular degeneration, and near-total loss of spermatogenesis
TNXB Regulates Spermatogenesis by Maintaining Cytoskeleton and Cell Junction Stability male infertility genetics animal study semen quality
- Wheat Protein Tanks Rat Testosterone and Sperm2026-02-27
Wheat germ agglutinin at 250 mg/kg/day impaired sperm quality, cut testosterone, and damaged testicular tissue in prepubertal rats across 2–10 weeks
From Food to Infertility: Disruption of the Male Reproductive Axis by Wheat Lectin in Rats animal study male infertility oxidative stress spermatogenesis
- Lead Ages Immune Cells. Those Cells Tank Your Sperm.2026-02-27
A 170-man study linked urinary lead and cadmium to lower sperm motility; mouse work traced the mechanism to senescent immune cells in the epididymis.
Epididymal Macrophage Senescence Contributes to Sperm Motility Decrease upon Environmental Stress male infertility environmental exposure immunology animal study cross-sectional semen quality
- Horny Goat Weed Gets a Mechanistic Review2026-02-26
A narrative review maps how icariin, horny goat weed's active compound, may improve sperm function — mostly in rodents
Icariin in Male Reproduction: Multi-Target Pharmacological Mechanisms and Therapeutic Potential traditional chinese medicine male infertility oxidative stress animal study spermatogenesis
- AMH Flags Azoospermia But Can't Predict Sperm Count2026-02-20
AMH is lower in men with non-obstructive azoospermia, but doesn't independently predict sperm concentration once FSH and testicular volume are accounted for
Serum Antimüllerian Hormone as a Biomarker of Functional Testicular Reserve: A Comparative Analysis male infertility biomarkers semen quality infertility
- Male Infertility Tests Haven't Changed in a Decade2026-02-20
A review of upcoming fertility tests genomics, AI, imaging with zero new data of its own
Emerging Diagnostics Tools for Severe Male Infertility and Non-obstructive Azoospermia male infertility genomics artificial intelligence biomarkers narrative review
- Osteoporosis Drug Fails Oligospermia Trial2026-02-20
Denosumab 60 mg produced no improvement in sperm concentration over placebo in 39 men with severe oligospermia
Effect of Denosumab on Sperm Concentration in Men With Severe Oligospermia: A Randomized Controlled Trial male infertility semen quality infertility
- Gene Variant Predicted Zero Sperm in Every Case2026-02-18
Biallelic MEI1 mutations found in 1.9% of azoospermic men; surgical sperm retrieval failed 12/12 times
A common cause of non-obstructive azoospermia: biallelic MEI1 variants and implications for infertility diagnostics. genetics genomics male infertility spermatogenesis
- CBAVD Sperm Retrieval: No One Agrees2026-02-18
Among 51 reproductive urologists, no extraction technique dominated: testicular (39%), epididymal (29%), or a combination (31%)
Reproductive Urologist Preferences for Sperm Extraction in Congenital Bilateral Absence of the Vas Deferens male infertility health services surgical outcomes genetics
- Diet Sweeteners Flag a Fertility Gene — In Mouse Cells2026-02-17
Computational screening flagged aspartame, neotame, and sucralose as reproductive toxins targeting FGFR1; validated only in mouse Leydig cells in a dish
Artificial sweeteners and male infertility: Network toxicology and experimental evidence reveal FGFR1 as the critical target. male infertility environmental exposure animal study spermatogenesis
- The Cleanup Crew Sperm Can't Live Without2026-02-13
Review surveys mouse knockout evidence linking ubiquitin-editing enzymes to spermatogenic failure; no human clinical data
The Potential Role of Deubiquitinating Enzymes (DUBs) in Male Fertility male infertility genetics animal study spermatogenesis
- Why Some Sperm Can't Swim: A Molecular Tag2026-02-09
Kmal levels were significantly elevated in asthenozoospermic men and inversely correlated with progressive motility across 94 participants
Lysine Malonylation Regulates Human Sperm Motility male infertility semen quality spermatogenesis biomarkers
- Same DNA Repair Flaw, Infertile Men and Women2026-02-05
Exome sequencing of three consanguineous families found homozygous loss-of-function variants in SPIDR, TOP6BL, or RAD51AP2 — all meiotic DNA repair genes — causing infertility in both sexes.
Disruption of Meiotic Double-Strand Break Dynamics Provokes Germline Human Infertility in Both Sexes genetics male infertility infertility spermatogenesis
- Half of Infertility Is Male, Insurance Barely Covers It2026-01-30
Male factor drives up to 50% of infertility cases, yet insurance and specialist access lag far behind
Barriers to Male Infertility Care and Strategic Solutions for Advancement: Increasing Access, Health Policy, and Advocacy Efforts male infertility health services narrative review screening
- Your Partner's Bacteria Can Shift Your Sperm2026-01-27
Anaerobe-heavy seminal profiles correlate with higher sperm DNA fragmentation and lower motility; Lactobacillus-rich profiles align with better DNA integrity
Micromanagement: How the Male Reproductive Microbiome Shapes Male Fertility male infertility semen quality DNA fragmentation oxidative stress inflammation
- X-Linked Gene Found in Sperm Failure, Monkeys Confirm It2026-01-27
A primate-exclusive X-linked gene, TFDP3, was defective in 8 infertile men with OAT — and silencing it in monkeys replicated the phenotype
Deficiency of Primate-Specific TFDP3 Causes Male Infertility with Oligoasthenoteratozoospermia in Humans and Cynomolgus Monkeys genetics male infertility spermatogenesis animal study
- Childhood Obesity Shrinks Testicles Before Puberty Starts2026-01-27
Obese prepubertal boys had smaller testicular volume, shorter penis length, and lower testosterone than normal-weight peers in a 60-boy study.
Obesity Impairs Male Reproductive Development in Prepubertal Boys via Local Adipose Tissue Inflammation and the STAT3/CYP19A1 Pathway obesity male infertility testosterone pediatric urology inflammation animal study
- Gene Variant Floods Sperm With Chromosome Errors2026-01-25
A single inherited frameshift variant left 18.8% of one man's sperm missing sex chromosomes entirely — and drove repeated miscarriages
Homozygous C12orf40 Variant Contributes to Severe Oligoasthenoteratozoospermia and Sperm Sex Chromosome Aneuploidy genetics male infertility spermatogenesis case report pregnancy
- Varicocele Surgery Rescues Sperm in Half of Near-Zero Cases2026-01-21
54% of men with cryptozoospermia (near-zero sperm) improved to at least oligozoospermia after varicocele repair in a 24-man study
Semen Parameter Response to Varicocele Repair in Infertile Men With Cryptozoospermia varicocele male infertility semen quality surgical outcomes retrospective cohort
- The Cell-Recycling Process Tied to Broken Sperm2026-01-20
A review of animal and lab data argues autophagy imbalance may drive low sperm count and motility, no new evidence
A narrative review on the role of autophagy in male infertility-associated sperm abnormalities autophagy male infertility spermatogenesis narrative review
- More Soy, Fewer Sperm? Japanese Data Stirs the Debate2026-01-13
Men in the top daidzein quartile had 32–40% lower sperm counts than lowest-quartile men — but this is cross-sectional data from a fertility clinic.
Urinary Isoflavone Concentrations and Semen Parameters of Japanese Men Seeking Fertility Treatment male infertility semen quality environmental exposure cross-sectional epidemiology
- When Infertility Care Forgets the Man2026-01-13
Male factor causes about half of infertility cases yet men are often left out of their own care
Procreation, Potency, and the Price of Paternity: The Social and Psychological Impact of a Diagnosis of Male Factor Infertility male infertility mental health infertility relationship health
- 67 Sperm Risk Factors, Almost All Weak Evidence2026-01-13
67 risk factors linked to male infertility catalogued — but 78% of the underlying evidence rated low or very low quality
Current Risk Factors for Male Infertility and Semen Parameters: An Umbrella Review of Systematic Reviews and Meta-Analyses male infertility semen quality evidence quality environmental exposure systematic review meta-analysis
- Undescended Testes Wreck Fertility in Several Ways2026-01-09
A review maps the biological pathways from undescended testes to infertility — temperature, hormones, oxidative stress, and autoimmunity
Cryptorchidism and Infertility: What Do We Know So Far? male infertility cryptorchidism
- 55 Men, OR of 21 — Color Me Skeptical2026-01-07
An enzyme involved in oxidative stress showed lower activity in infertile men — in a study of 55 total subjects
Enzymatic and Genetic Evaluation of Butyrylcholinesterase in Male Infertility male infertility genetics oxidative stress biomarkers case-control study
- Better Sperm Quality, Still Not Pregnant2026-01-05
Treating seminal tract infections improves sperm parameters and reduces DNA fragmentation — but no evidence shows it increases conception rates
Infection and Inflammation of the Seminal Tract: A Review of Its Relationship to Male Fertility male infertility semen quality DNA fragmentation inflammation
- Genetic Testing Solves Only 1 in 13 Infertility Cases2026-01-03
India's largest male infertility genomics cohort found a genetic cause in just 7.7% of 247 men with severe sperm defects
Genetic Diversity of Infertile Males in India genetics male infertility spermatogenesis infertility
- Antioxidants Out, Varicocele Repair In: WHO Rules2026
WHO's first unified infertility guideline backs varicocele repair conditionally but won't endorse antioxidants—evidence too heterogeneous
The WHO 2025 Guideline for the Prevention, Diagnosis and Treatment of Infertility: A Comprehensive Review with Focus on Male Reproductive Health male infertility infertility evidence quality semen quality
- Semen Vesicles May Diagnose Infertility2025-12-31
Seminal exosomes carry RNA that may help diagnose male infertility — but this review is thin on specifics
Exosomal ncRNAs in Seminal Fluid: Unraveling Their Regulatory Roles in Male Infertility male infertility biomarkers
- EAU Panel: Varicocele Surgery for Azoospermia? Evidence Too Weak2025-12-23
EAU guidelines panel finds the evidence for varicocele surgery in nonobstructive azoospermia too weak to support a strong recommendation
Varicocele Treatment in Azoospermia Before Artificial Reproductive Techniques: Critical Considerations by the EAU Guidelines Panel on Sexual and Reproductive Health varicocele male infertility evidence quality narrative review
- Blood Type O and Infertility: Weak Signal, Big Caveats2025-12-19
Blood type O was overrepresented in infertile couples (39.5% vs 34.2%), but effect sizes were weak and key findings didn't survive correction
ABO Blood Group Distribution and Infertility Risk in Southern China: A Retrospective Analysis of the Ganzhou Region male infertility infertility genetics semen quality
- Ancient TCM Formula Targets Copper-Mediated Sperm Death2025-12-13
A rat study found Zuogui Wan improved sperm quality partly by reducing testicular copper accumulation and suppressing cuproptosis
Research on the Mechanism of Zuogui Wan in Ameliorating Oligoasthenozoospermia in Rats via Modulating Cuproptosis-Related Pathways animal study male infertility spermatogenesis traditional chinese medicine oxidative stress
- Microplastics Rival Chemo for Sperm Damage in Rats2025-12-05
Network meta-analysis of 201 rodent studies ranks microplastics alongside chemotherapy drugs for reproductive toxicity, with sperm counts dropping to ~19 million/mL
Quantitative Analysis and Toxicological Mechanisms of Various Male Infertility Inducers: A Network Meta-Analysis and Pharmacological Approach male infertility meta-analysis environmental exposure semen quality
- The Test Your Fertility Clinic Isn't Running2025-12-03
A narrative review arguing that histone modifications in sperm—disrupted by toxicants and lifestyle—may explain a large share of "unexplained" infertility cases.
Epigenetic Dysregulation in Idiopathic Male Infertility: The Role of Aberrant Histone Post-Translational Modifications epigenetics male infertility environmental exposure oxidative stress spermatogenesis
- Is Air Pollution Killing Your Sperm?2025-12-01
A Chinese review synthesizes evidence that fine particulate matter damages male fertility through oxidative stress and hormone disruption
The Silent Threat: PM2.5-Associated Challenges in Male Reproductive Health male infertility air pollution
- Mice Missing CFAP77 Are Subfertile, Not Sterile2025-11-29
Mice engineered to lack a sperm tail protein called CFAP77 had sluggish sperm and fewer pups, but weren't infertile
Microtubule Inner Protein CFAP77 Contributes to Sperm Motility and Male Fertility in Mice male infertility animal study spermatogenesis genetics
- Herbal Skin Patch Protects Rat Sperm from Plasticizer2025-11-28
In rats exposed to DEHP plasticizer, icariin microneedle patches reduced testicular damage and outperformed oral icariin — in rats
Transdermal Delivery of Icariin via Microneedle Patches Attenuates Phthalate-Induced Testicular Injury animal study male infertility traditional chinese medicine environmental exposure
- Two Brothers, One Gene, Zero Sperm Motility2025-11-11
Two siblings share novel homozygous DNHD1 mutations causing severe flagellar defects and near-total sperm immotility
Novel Biallelic *DNHD1* Variants Associated with Male Infertility with Severe MMAF Phenotype genetics male infertility semen quality case report
- Sperm's "Power Plant" Role Has Been Overstated2025-11-11
The textbook model of sperm energy production — mitochondria fuel the tail — is more complicated than it looked
Sperm mitochondrial sheath formation - how and why? male infertility spermatogenesis narrative review infertility
- Ureaplasma Hits Sperm DNA Without Tanking the Count2025-11-11
UU infection correlated with higher DNA fragmentation index and more abnormal morphology, but most routine semen parameters were unchanged
Effects of Ureaplasma urealyticum Infection on Sperm DNA and Semen Quality male infertility semen quality infertility biomarkers
- Uterus in Males: A Hidden Infertility Cause2025-11-07
Only 1 in 5 men with PMDS have conceived naturally at time of diagnosis; most present with cryptorchidism or hernias
Persistent Müllerian Duct Syndrome - A Rare but Important Cause of Male Factor Infertility cryptorchidism male infertility narrative review pediatric urology
- Chinese Herbal Mix Reverses Rat Infertility2025-10-31
TCM formula QYYJF improved sperm motility and HPG axis hormones in chemotherapy-damaged rats, via 25 identified serum compounds
Qingyu Yangjing Formula Ameliorates Cyclophosphamide-Induced Oligoasthenospermia by Regulating the Hypothalamic-Pituitary-Gonadal Axis and Inhibiting Testicular Oxidative Stress and Apoptosis in Rats traditional chinese medicine male infertility animal study semen quality
- Swapping One Protein Rescues Infertile Mouse Sperm Cells2025-10-28
Deleting a common protein-recycling complex stops sperm cell development in mice — swapping in a related complex fixes it
The constitutive 20S proteasome is required for the maintenance and differentiation of spermatogonia in mice male infertility spermatogenesis animal study genetics
- TCM Formula Improves Sperm in Fat Mice2025-10-16
A traditional Chinese herbal formula reduced abnormal sperm and boosted concentration in obese mice — in mice only
Er-Chen decoction alleviates spermatogenic dysfunction in obese mice by tuning the SIRT1/p53 axis male infertility traditional chinese medicine animal study
- Nanoparticles Sneak ATP Past the Testicular Wall2025-10-13
ATP-loaded nanoparticles crossed the testicular barrier in mice and improved sperm motility — no human data yet
Blood-Testis Barrier-Crossing Extracellular Vesicles for Asthenozoospermia Therapy via Synergistic ATP Replenishment and Ferroptosis Suppression male infertility spermatogenesis stem cells oxidative stress animal study
- CoQ10 Cuts Varicocele Damage — In Rats2025-10-07
CoQ10 reduced oxidative stress and improved sperm parameters in rat varicocele and hypoxia models via the caspase1-IL1β-egr2 pathway
Ameliorative Effects of Coenzyme Q10 Against Hypoxia-Induced and Varicocele-Associated Spermatogenesis Dysfunction in Rat animal study male infertility semen quality testicular disease
- Surgically Retrieved Sperm Drags Down IVF Success2025-09-20
Testicular sperm extraction cut live birth rates vs. ejaculated sperm in ICSI — but only cumulative, not first-transfer outcomes
Effect of Abnormal Semen Parameters on ICSI: Morphokinetics and Cumulative Clinical Outcomes of 10,623 Embryos male infertility semen quality infertility surgical outcomes
- Two Cases, One Broken Flagella Gene2025-09-19
Whole-exome sequencing in two infertile men pinpoints new FSIP2 mutations that gut sperm flagella structure
Novel mutations in FSIP2 cause male infertility through multiple morphological abnormalities of the sperm flagella male infertility genetics
- A Puberty Gene Discovery Now Treats Hot Flashes2025-09-17
Over 60 genes are now linked to a puberty-blocking disorder, but genetics still explains only half of cases
Genetics of Idiopathic Hypogonadotropic Hypogonadism genetics hypogonadism male infertility narrative review
- Mutant DNA Repair Gene Found in Two Infertile Men2025-09-15
Two men with severe OAT carried novel loss-of-function variants in MDC1, a DNA damage checkpoint protein — one ICSI attempt failed
Novel Variants in MDC1 are Associated With Severe Oligoasthenoteratozoospermia genetics male infertility semen quality case report
- 18 'Male Fertility Genes' Turn Out Unnecessary2025-06-26
18 testis-enriched genes knocked out one by one in mice — none of them mattered for fertility
Mouse Genome Engineering Uncovers 18 Genes Dispensable for Male Reproduction animal study genetics male infertility semen quality
- Sickle Cell Damages Sperm — So Does the Treatment2025-05-30
Systematic review finds SCD impairs sperm parameters, and both hydroxyurea and stem cell transplant make it worse
Reproductive function and sperm parameters in men with sickle cell disease: a systematic review male infertility semen quality genetics stem cells
- Mom's Obesity Linked to Son's Low Testosterone2025-05-14
Men whose mothers were obese during pregnancy had 5.9× higher odds of low testosterone — but only 12 of 418 men had that history
Low testosterone in primary infertile men is associated with a history of maternal obesity during pregnancy: Findings from a cross-sectional study. male infertility testosterone obesity pregnancy hypogonadism
- FSH Pharmacogenetics: Interesting Science, Unusable Data2025-04-30
Genetic variants in FSH and its receptor affect sperm production, but current evidence is too small and contradictory for clinical use
Pharmacogenetics of Follicle-Stimulating Hormone Action in the Male male infertility genetics infertility narrative review spermatogenesis
- hCG for Azoospermia: Settled Science for One Type, Guesswork for the Rest2025-02-04
A narrative review argues hCG may treat more azoospermia subtypes than currently accepted, introducing the unvalidated "APHRODITE criteria" to guide patient selection.
Human Chorionic Gonadotropin-Based Clinical Treatments for Infertile Men with Non-Obstructive Azoospermia male infertility spermatogenesis hypogonadism narrative review
- After Hirschsprung Surgery, the Bowel Predicts ED2024-12-23
Nordic men who had pull-through surgery for Hirschsprung disease reported 12.7% failure to conceive — below the WHO population estimate of 16.5%
Fertility and Sexual Function in Males With Hirschsprung Disease: A Nordic Cross-sectional Study cross-sectional erectile dysfunction male infertility pediatric urology surgical outcomes quality of life