Our review in Cas. Lek. cesk. 2025: Male infertility = multifactorial (up to 40% of cases!). Key advances: ✅ Sperm DNA fragmentation + oxidative stress in diagnosis ✅ Regenerative medicine & gene therapy in treatment Full text (open access abstract): https://t.co/u7BDP5QdP1 https://t.co/3nC5BEZxiv -