[Proceedings: Urinary estrogen and pregnanediol values at the onset of labor].
D004967:Estrogens / Q000652:urine*; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy; D011276:Pregnanediol / Q000652:urine*
D004967:Estrogens; D011276:Pregnanediol