[Cervical neck insufficiency as a cause of miscarriage].
D000022:Abortion, Spontaneous / Q000209:etiology; D005260:Female; D011247:Pregnancy; D002581:Uterine Cervical Incompetence / Q000150:complications
Istmiko-tservikal'naia nedostatochnost' kak prichina nedonashivaniia beremennosti.