I am 11 years old and have solid colored sperm. What should I do?
Sperm is our DNA, from which a lot of healthy people can be born. So do we give up a piece of our life in orgasm?
Bad spermogram, what to do?
What is the rate of sperm production?
Does "spermatoxicosis" actually exist, and if so, how does it manifest itself?
Does a man's lubricant contain sperm and what is the likelihood that a sperm from the lubricant can fertilize?