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 Contraction, uterine

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

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.