title: The incompetent cervix--the challenge.
mesh_terms: D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D011183:Postoperative Complications; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D002581:Uterine Cervical Incompetence / Q000175:diagnosis / Q000517:prevention & control / Q000601:surgery