Dr. Natalie Crawford explains how to understand a semen analysis and what sperm count, motility, morphology, and total motile sperm count can reveal about male fertility. Learn what normal semen analysis results look like, common causes of low sperm count, how sperm are produced, why sperm quality can change in as little as 90 days, and evidence-based ways to improve sperm quality through lifestyle changes, nutrition, supplements, and hormonal health.