Uterine contractions in spontaneous labor. A quantitative study.
D000293:Adolescent; D000328:Adult; D000653:Amniotic Fluid; D002584:Cervix Uteri / Q000502:physiology; D004106:Dilatation; D005321:Extraembryonic Membranes; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D008433:Mathematics; D009119:Muscle Contraction; D011247:Pregnancy; D011312:Pressure; D014599:Uterus / Q000502:physiology*