Male infertility contributes to approximately half of all cases of couple infertility. It is defined as the inability to achieve pregnancy after 12 months of regular unprotected intercourse. Evaluation is recommended earlier if there are known risk factors (e.g., history of testicular surgery, chemotherapy, varicocele, or hormonal issues). A systematic approach helps identify treatable causes and guides appropriate management.
Here are illustrations of the male reproductive system showing key structures involved in fertility:
Evaluation begins with a detailed medical and sexual history and physical examination.
Key points covered in history:
Physical examination focuses on:
Semen analysis is the cornerstone of evaluation and should be performed after 2–5 days of abstinence.
Standard parameters checked:
At least two semen analyses (preferably 1–3 weeks apart) are recommended.
Additional tests based on initial findings:
Results guide further management:
Early and thorough evaluation by a urologist specializing in andrology or reproductive medicine is essential. Many causes are treatable, and timely intervention improves the chances of achieving pregnancy naturally or with assistance.