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 ...
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.
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.
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