Can You Run Out of Sperm? Evidence-Based Guide to Spermatogenesis, Semen Analysis, and “Dry” Ejaculation

This comprehensive, evidence-based article explains how sperm is continuously produced through spermatogenesis, what makes up a normal ejaculate, and why men do not “run out” of sperm. It clarifies semen analysis, ejaculatory disorders, and best practices for accurate testing, for patients and clinicians alike.