[Analysis of abnormal labor curves in 300 cases].
D001238:Asphyxia Neonatorum / Q000453:epidemiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D007748:Labor Stage, Second; D007743:Labor, Obstetric; D007744:Obstetric Labor Complications / Q000175:diagnosis; D011247:Pregnancy; D012189:Retrospective Studies