Reproductive System

Many U.S. women hold misconceptions about the basics of baby-making, a new study reveals.

The Y chromosome is often thought of as defining the male sex. Now scientists find that only two genes on the Y chromosome are needed in mice for them to father offspring.

There might be a link between fatherhood and urine spraying for mice. Male house mice that surpass their peers at marking their territory tend to have more offspring, according to a new study.

In her many television appearances, Suzanne Somers offers health advice to women. But what she says doesn't always hold up as fact, and in some cases, following her advice could be harmful.

Exposure to the chemical bisphenol A (BPA) in early pregnancy may increase the risk of miscarriage, preliminary research suggests.

Toxins in the environment -- chemicals used in processing and manufacturing -- are harming women's ability to have children, two leading medical groups said in a joint statement today.