Medical Definition of Contraction, uterine
Contraction, uterine: The tightening and shortening of the uterine muscles. During labor, contractions cause the cervix to thin and dilate, and they aid the baby in its entry into the birth canal and then its progress through the birth canal.
Last Editorial Review: 7/1/2016
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?