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.

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 ...

You're a first-time expectant mom and you're settling into bed after a long, exhausting day of well, being pregnant, when suddenly, you feel it: that tightening in your lower belly, that upside down ...

ALBANY, N.Y. -- Local news co-anchor Olivia Jaquith went ahead with a three-hour morning newscast even after her labor contractions began and her water broke, keeping viewers updated about the coming ...