Male infertility accounts for at least a third of infertility cases. In an additional third, problems with both the man and the woman play a role. In most cases, male infertility is due to issues with the sperm, such as low sperm count or poor sperm quality. In about 10-15% of men, there is no sperm at all in his semen. And unfortunately, there are few outward signs of sperm issues.
Most men don’t know they’re infertile until they struggle to get a partner pregnant. Here’s what you need to know about sperm count and quality, and its correlation with pregnancy success.