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, it ...

Labor contractions are the physical way your uterus tightens to promote delivery of your baby. All body muscles tighten and shorten (contract) when they’re being used. And the uterus is one of the ...

A concentric contraction is a type of muscle activation that causes tension on your muscle as it shortens. As your muscle shortens, it generates enough force to move an object. This is the most ...

An irritable uterus, or uterine irritability, produces frequent and sometimes uncomfortable contractions for pregnant individuals. Although people often confuse uterine irritability with “false labor, ...

Braxton Hicks contractions happen with all pregnancies to help your body prepare for labor. They might feel like a mild muscle spasm, tightening in your baby bump, or menstrual cramps. Not sure if you ...