Sperm discoveries shed light on infertility and birth control
Wednesday, October 12, 2011 - 10:01
in Health & Medicine
(Medical Xpress) -- For a sperm cell, a lot has to go right before it can fertilize an egg. And despite biblical stories of barren women and cultural traditions of blaming the female, fertility experts now estimate that male infertility and sperm figure into the equation for about half of couples who fail to conceive despite trying for a year or more.