Suze Lopez, a 41-year-old nurse who lives in Bakersfield, California, didn't know she was pregnant with her second child ...

The dangers of heat and humidity are so well known it's become cliché to mention them. But the impacts can extend farther ...

Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the ...

Embryos and the uterus exchange molecular signals within the first hour, shaping whether implantation succeeds or fails.

Q: My daughter got her period at age 8 and started to develop breasts. It freaked her out and me too! And she’s not the only ...

At 4 months pregnant, you've officially entered the second trimester of pregnancy. Your baby is growing, so you may start ...

At one month pregnant, your baby is just beginning to develop. Discover early pregnancy symptoms, what’s happening inside ...

You can make lifestyle changes, like exercising and eating a balanced diet, to improve fertility if you have PCOS. A doctor may prescribe medications like Clomid and Letrozole to stimulate ovulation.