Pregnancy opens a whole new slew of questions about what's "normal." For many moms, one common query is, what do Braxton-Hicks feel like? Also known as practice contractions, it's easy to confuse ...

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 ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

A woman who is 30 weeks pregnant has just finished her morning walk. Suddenly, she feels her stomach tighten. A few hours later, it happens again. No pain — just a rock hard belly. Should she grab her ...

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 ...

Pregnancy is filled with weird aches, pains, and twinges, and some are a little scarier than others. Former Bachelorette star Ali Fedotowsky recently had a particularly confusing experience with ...