title: Electromyographic study of the bulbo-cavernosus muscle in women according to parity and during labor.
mesh_terms: D000293:Adolescent; D004576:Electromyography; D005260:Female; D006801:Humans; D007748:Labor Stage, Second; D007743:Labor, Obstetric; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology*; D010502:Perineum / Q000502:physiology*; D011247:Pregnancy