Behaviour of the cervix and the presenting vertex in labour in Blacks and Indians of Natal.
D000328:Adult; D000367:Age Factors; D044383:Black People; D002584:Cervix Uteri / Q000502:physiology*; D004106:Dilatation; D005260:Female; D005333:Fetus / Q000502:physiology*; D006257:Head / Q000502:physiology; D006801:Humans; D007194:India; D007746:Labor Presentation; D007743:Labor, Obstetric; D010298:Parity; D011247:Pregnancy; D013019:South Africa; D013997:Time Factors; D044465:White People