This activity focuses on learning the predictable patterns used in common contractions. This activity focuses on learning the most predictable patterns in common contractions. Learning contractions ...

A gush of water, being doubled over in pain, the head of your baby crowning. These are things many women picture when they think of labor. However, for most laboring women, these things take time and ...

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 ...

Sometime during your second or third trimester, you might start to feel mild, sporadic contractions, especially when you are tired or dehydrated, or after sex. These normal contractions, called ...

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 ...

A premature ventricular contraction occurs when a focus in the ventricle generates an action potential before the next scheduled sinoatrial nodal action potential. Ventricular bigeminy occurs when ...

Labor is the process of the fetus moving into position for delivery. It happens when a person experiences contractions 5–10 minutes apart that last for 30–70 seconds. A person getting ready to give ...

The measurement of the frequency of uterine contractions has not been useful for reducing the rate of preterm delivery in randomized trials. Nonetheless, ambulatory monitoring of contractions ...