Tag: Azoospermia

Non‑obstructive azoospermia is a severe form of male infertility caused by failure of spermatogenesis. Genetic defects, Y‑chromosome microdeletions, meiotic‑gene mutations and hormonal disorders lead to complete absence of sperm in the ejaculate. Understanding NOA is essential for diagnosis, genetic counselling and identifying candidates for micro‑TESE and assisted reproduction.

The synaptonemal complex is a meiosis‑specific protein structure essential for homologous chromosome pairing, recombination, and fertility. Its disruption leads to meiotic arrest, aneuploidy, and reproductive disorders.

Further reading: Sha Y., et al., 2018. A novel TEX11 mutation induces azoospermia: a case report of infertile brothers and…