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.

Each contraction in labour has a purpose: to open your cervix, move your baby lower, and prepare your body for birth. Ideally, these contractions follow a smooth pattern: they rise in intensity, peak, ...

When your water breaks, it means the amniotic sac has ruptured. This typically signals the beginning of labor, but it may be several hours before you feel a contraction. Share on Pinterest Eloisa ...