[Studies on the urinary excretion of estrogens in pregnancy].
D000328:Adult; D002845:Chromatography; D004967:Estrogens / Q000652:urine*; D005260:Female; D005315:Fetal Diseases / Q000652:urine; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy / Q000502:physiology*; D011248:Pregnancy Complications / Q000652:urine*
D004967:Estrogens