Station of the fetal presenting part. IV. Slope of descent.
D002584:Cervix Uteri; D004106:Dilatation; D005260:Female; D006801:Humans; D007746:Labor Presentation; D007743:Labor, Obstetric; D010298:Parity; D011247:Pregnancy; D013997:Time Factors; D014599:Uterus / Q000502:physiology*