Women with a short cervix and women carrying twins are at higher risk for preterm birth. Women with both have an even higher likelihood of giving birth early.

Being born underweight is linked to a variety of possible health problems, including chronic diseases. It's therefore helpful to know ways to reduce the risk of having too-small babies.

In hopes of having a healthy baby, most women try to make good choices during their pregnancies. Some choices, like which foods to eat and what exercise to do, are easy to make. But they can't always choose the air they breathe.

While you're lazily flipping channels on the remote, your sperm may be lazing about as well. But get up and exercise, and your sperm may get up and going too.

Research has suggested that women in the military have been less likely to practice safe sex. As more women are joining the military ranks, there may be a need for improved gynecologic care.

Many cities and states announce Ozone Action Days when local ozone levels are high. Those may be good days for pregnant women to stay indoors.

Combined oral contraceptives, commonly known as "the Pill," are used to prevent pregnancy. But could birth control pills be preventing more than an unwanted pregnancy?

When a couple has trouble conceiving, they may use infertility treatments to get pregnant. New research suggests there could be a connection between these treatments and childhood asthma.

Some mental disorders are linked to specific genes. But that does not mean a person with a certain gene is destined to develop that disorder. Healthy practices may decrease the risk.

Experts regularly meet to determine the most appropriate schedule for children to receive their immunizations against infectious diseases. The newest schedule has just been released.