Definition of Uterus, contraction of the
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.
Last Editorial Review: 6/14/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?
Get the latest health and medical information delivered direct to your inbox FREE!