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 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.

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 ...