Contractions are when the muscles of your uterus tighten and relax to get ready for childbirth. These muscles help push your baby down the birth canal. Once you reach week 37 of your pregnancy ...

Contractions for preterm labor start before the pregnancy reaches term (before 37 weeks). Contractions during active labor are often painful and signal an impending birth.

Learn what role progesterone plays in pregnancy. Find out what normal progesterone levels are and what links there are ...

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 ...

And I really thought it was going to be another one of those, 'Yeah, babe, that's pregnancy ... Six weeks she was having contractions." "I gave birth and I was like, 'Wow, I really did that ...