Pain relief during labor.
D015670:Acupuncture Therapy; D000773:Anesthesia, Obstetrical / Q000379:methods*; D000775:Anesthesia, Spinal; D004723:Endorphins / Q000502:physiology; D005260:Female; D006801:Humans; D006990:Hypnosis; D007231:Infant, Newborn; D007743:Labor, Obstetric / Q000187:drug effects; D009321:Natural Childbirth; D009407:Nerve Block; D010146:Pain / Q000503:physiopathology / Q000517:prevention & control* / Q000523:psychology; D011247:Pregnancy; D014590:Uterine Contraction
D004723:Endorphins