Reproductive Health

Three papers from the Human Microbiome Project raise hopes that the next new treatments for some diseases might come from bacteria

The landmark birth raises ethical concerns

The F.D.A. recently approved a fertility-tracking app for marketing as a contraceptive for the first time

Everything you need to know about toxemia, or preeclampsia

“This is about saving lives”

A new study looks at how antidepressants that women take while pregnant may affect their babies’ brains