Latest posts
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Varicocele, Mitochondrial Damage and Inflammation: How the Links May Affect Sperm
A review explores how mitochondrial injury, oxidative stress and inflammation may affect sperm in varicocele, with key limits in human evidence.
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Diet Worsened Genetic Male Infertility in Mice: What an M1ap Study Shows
A Western-style diet worsened sperm quality in M1ap-knockout mice. What the study says about genetic vulnerability, diet and the limits of human application.
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Sperm Frozen for Up to 12 Years: What Happened to Motility?
A paired-sample study of 101 patients examined sperm motility after 2–12 years of freezing. Most retained the same assessed suitability for fertility treatment.
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Sperm DNA Damage and IVF: A Surprising Finding in 4,520 Couples
In 4,520 couples, higher sperm DNA fragmentation was linked to poorer semen quality but not significantly to lower pregnancy or live birth after fresh transfer.
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Three GALNT Genes Linked to Different Sperm Head and Tail Defects
A genetic study of 1,826 men links GALNT3, GALNT8 and GALNTL5 variants to distinct sperm defects, with cautious findings on ICSI treatment outcomes.
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Probiotics for Male Genital Infections? Study Reports 92% Bacterial Clearance
In a 100-man retrospective study, antibiotics plus probiotics/prebiotics were associated with 92% bacterial clearance versus 56%. Fertility benefits remain unproven.
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WFS1 and Male Infertility: A Genetic Clue When Count, Motility and Shape All Suffer
A study of three men and mouse models links WFS1 variants to impaired sperm formation. The finding is a diagnostic clue, not a validated routine test or treatment.
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IVF Sperm Selection: Can Microfluidic Chips and Light Pick Better Sperm?
Microfluidics and optical tweezers could make sperm assessment more precise. A review explores the promise, while pregnancy and live-birth benefits remain unproven.
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Varicocele and Low Testosterone: More Than a Sperm Problem?
A meta-analysis of 32 studies links varicocele to lower testosterone, poorer semen measures and smaller testes. What does it mean for male fertility?
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Korean Male Infertility Guidelines: Why Treatment Must Look Beyond Sperm Counts
KSSMA recommendations cover varicocele, azoospermia, hormones and ICSI, emphasizing live birth, treatment time and both partners’ fertility.