Observations on circulatory changes and muscular work in normal labour.
D001775:Blood Circulation; D004562:Electrocardiography; D005260:Female; D047109:Fetal Development; D006801:Humans; D007743:Labor, Obstetric / Q000502:physiology*; D009132:Muscles / Q000502:physiology*; D011247:Pregnancy
BLOOD CIRCULATION; ELECTROCARDIOGRAPHY; LABOR/physiology; MUSCLES/physiology