Letter: Obstetric delivery today.
D000773:Anesthesia, Obstetrical; D001291:Attitude of Health Personnel; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007743:Labor, Obstetric; D009321:Natural Childbirth; D011187:Posture; D011247:Pregnancy; D006113:United Kingdom