8 signs of healthy sperm every man should know
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Nov 25, 2025 · 15 min read
You cannot diagnose fertility by eye, but understanding the 8 signs of healthy sperm, a normal sperm color chart, and what changes in your semen mean can help you spot problems early and know when to get tested. “Most men check their biceps more often than they check their semen. But semen is one of ...