You’ve no doubt heard that hormone replacement therapy (HRT) used for menopause symptoms increases breast cancer risks. More recent studies have found that maybe HRT is okay. Now the pendulum has swung back.  

Is it possible that the environment inside a woman's body may sometimes reflect what is going on in her life? How much could severe stress contribute to a stillbirth?

One recent study found that too little vitamin D didn't appear to affect baby's bone growth. But there are other risks if expecting moms have too little vitamin D.

Having difficulty conceiving a baby over a long period of time may indicate a condition called subfertility. Subfertility carries its own slight risks if parents eventually do have a baby.

The US has one of the highest teen pregnancy rates among developed nations. Understanding the risk factors for teen pregnancy might lead to effective prevention.

The effects of a mother's body on her developing child are still mysterious in many ways. For example, the possible effects of emotional stress on a baby aren't totally understood.

Deciding whether to take medication while pregnant can be a tough decision. It becomes tougher when the risks and benefits are not always clear, such as with mental health medications.

Women might think that not having enough of certain vitamins during pregnancy can hurt their developing child. That may be true sometimes, but not always.

Elevated sex hormone levels in pregnant women or in those who take hormone replacement therapy (HRT) were often believed to be the culprit behind prevalent heartburn in women. But that may not be the case.

The causes of autism increasingly appear to come from a variety of different risk factors. One of those risk factors may be related to the childhood experiences of the children's mothers.