Scientists want to understand why male fertility rates have dropped so sharply—and how to reverse the trend.
Some of the eggs were stored in the 1980s, according to hospital staff.
The data for this study was actually collected nearly 20 years ago as part of a regular federal survey.
Where else can you find penis wind chimes, cannons and statues?
Fresh spinach, peaches, plums and sweet peppers are among the worst offenders.
As they age, fathers pass on more genetic mutations to their offspring than mothers.
Researchers said the findings might lead to pioneering new treatments.
The Facebook founder and his wife have raised awareness of recurrent pregnancy loss.
Want to father a child? Maybe you should avoid apples.
Despite ongoing scientific proof of BPA’s harm, regulators continue to say it’s safe.
New radiation-shielding briefs may just save your sperm