About 11 percent of reproductive-age couples in the United States have trouble conceiving or sustaining a pregnancy. About one-third of these cases are due to male fertility problems, about one-third are related to female fertility problems, and the rest are due to factors involving both...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.