It's clear that heavy drinking while pregnant can harm a baby. But research has been less clear about whether only a few drinks makes a difference. Until now.

If you want to make a baby, you need a sperm and a mature egg. Until recently, scientists haven't known how to grow eggs to maturity on their own. But now they have an idea.

Did you Instagram your run today? Or tweet about your walk? Most of the time spent on Facebook and other networking sites could be taking away from your cardio or 30-minute yoga class.

If you have a chronic condition and become pregnant, it may mean different treatment during the pregnancy. High blood pressure is one such condition, and it's becoming more common.

Everyone's got billions of little critters hanging out in their gut. They're helpful little critters — they aid the digestive and immune systems. But what you eat changes what they are.

A fear held by many parents is that their adolescent will become sexually active at an early age. Here's good news: Being an involved parent can make a difference, says new research.

Pregnant women need sufficient amounts of iron, which is included in most prenatal vitamins. But like many supplements, taking too much iron can have negative side effects.

There are several vaccines pregnant women are advised to get and several others they should avoid while pregnant. The flu vaccine is one pregnant women should consider.

The commonly held belief that drinking milk will prevent stress fractures may not be wholly true. Calcium may be less important than vitamin D when it comes to building strong bones.

When a mother experiences a traumatic loss, her behavior toward and around her infant may interfere healthy development.  New research may offer moms and their babies help through a loss.