Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Uterus, contraction of the
Medically reviewed by Min Clinic Staff | Updated: January 2026
Uterus, contraction of the: The tightening and shortening of the uterine muscles.
During labor, contractions accomplish two things: (1) they cause the cervix to thin and dilate (open); and (2) they help the baby to descend into the birth canal.
Uterine contractions also occur during the monthly menstrual cycle and are recognized as menstrual cramps.