[Ultrasonic experience in measuring the uterine cervix in normal pregnancies and in cervical incompetence before and after cerclage].
D005260:Female; D006801:Humans; D011247:Pregnancy; D014463:Ultrasonography; D002581:Uterine Cervical Incompetence / Q000175:diagnosis / Q000601:surgery*
Experiencia ecográfica mediante cervicometría en embarazadas normales y con incompetencia cervical pre y postcerclaje.