Relationship of estriol to fetoplacental well-being.
D004964:Estriol / Q000378:metabolism*; D005260:Female; D005333:Fetus / Q000502:physiology*; D006801:Humans; D010920:Placenta / Q000502:physiology*; D010925:Placental Function Tests; D011247:Pregnancy
D004964:Estriol