Congenital inadequacy of the lower uterine segment as a cause of habitual abortion.
D000026:Abortion, Habitual; D000028:Abortion, Induced / Q000209:etiology*; D000022:Abortion, Spontaneous; D002584:Cervix Uteri; D005260:Female; D006801:Humans; D011247:Pregnancy; D014599:Uterus
ABORTION/etiology; CERVIX UTERI