Time of day variation in rates of obstetric intervention to assist in vaginal delivery.
Webb
D A
DA
Philadelphia Department of Public Health, PA 19146, USA. Webb@Phila.Gov
Culhane
J
J
D000293:Adolescent; D000328:Adult; D002940:Circadian Rhythm; D004841:Episiotomy / Q000706:statistics & numerical data; D005113:Extraction, Obstetrical / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D016015:Logistic Models; D007744:Obstetric Labor Complications / Q000453:epidemiology; D009772:Obstetrical Forceps / Q000706:statistics & numerical data; D010502:Perineum / Q000293:injuries; D015143:Philadelphia / Q000453:epidemiology; D011247:Pregnancy; D014620:Vacuum Extraction, Obstetrical / Q000706:statistics & numerical data