[Foundation of obstetric anesthesia (1) (author's transl)].
D000773:Anesthesia, Obstetrical; D005260:Female; D005333:Fetus / Q000378:metabolism / Q000502:physiology; D006801:Humans; D007743:Labor, Obstetric; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000502:physiology; D011247:Pregnancy