title: Curve of labor as a screening device. Early recognition of protracted labor.
mesh_terms: D002585:Cesarean Section; D004716:Endometritis / Q000209:etiology; D005113:Extraction, Obstetrical; D005260:Female; D006801:Humans; D008499:Medical Records; D008991:Monitoring, Physiologic; D007744:Obstetric Labor Complications / Q000150:complications / Q000175:diagnosis*; D010298:Parity; D011247:Pregnancy; D013567:Symphysiotomy; D013997:Time Factors