Molecular discoveries may help improve treatments for labor and pain. When labor starts, the uterus must produce steady, ...

Here's what happens during each stage of labor – from how long each stage lasts to what you might feel. Labor happens in three stages — early labor and dilation, pushing and delivery, and finally, ...

Braxton Hicks contractions are uterine contractions that start in early pregnancy. Most don't notice them until sometime in the second or third trimester – and some women never notice them at all.