Factors associated with perineal outcome during childbirth.
D000293:Adolescent; D000328:Adult; D000698:Analgesia; D004841:Episiotomy; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D009721:Nurse Midwives; D010298:Parity; D010502:Perineum / Q000293:injuries*; D011187:Posture; D011247:Pregnancy; D012189:Retrospective Studies