The correlation between urinary oestriol excretion and the oestriol concentration in liquor amnii.
D000653:Amniotic Fluid / Q000032:analysis*; D004964:Estriol / Q000032:analysis* / Q000652:urine*; D005260:Female; D005865:Gestational Age; D006801:Humans; D007751:Labor, Induced; D011247:Pregnancy
D004964:Estriol