
8 signs of healthy sperm every man should know

Because sperm cells make up only about 5–10% of semen, the most reliable “signs” of healthy sperm are stable semen color and consistency, a decent ejaculate volume, no pain or blood, and semen-analysis results that meet reference ranges for count, motility, and morphology. Since sperm production takes about 74 days, tracking noticeable changes can help ...



