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, ...

When labor begins, the uterus must coordinate rhythmic, well-timed contractions to deliver the baby safely. While hormones such as progesterone and oxytocin are key contributors to that process, ...

There's a big learning curve when it comes to pregnancy. For many expecting parents, just thinking about contractions can be nerve-wracking because they are associated with pain and the start of labor ...

A new study reveals how the uterus senses and responds to pregnancy and birth forces at a molecular level. When labor begins, the uterus must coordinate rhythmic, well-timed contractions to deliver ...

PIEZO1 transcripts in human uterine muscle at term. Green indicates smooth muscle fibers in the uterus, red marks PIEZO1 mRNA, and blue shows cell nuclei. LA JOLLA, CA—When labor begins, the uterus ...