title: Use of Friedman curve in obstetrics.
mesh_terms: D001034:Apgar Score; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008722:Methods; D008991:Monitoring, Physiologic; D011247:Pregnancy; D012189:Retrospective Studies; D013997:Time Factors