Measuring placental function.
D004967:Estrogens / Q000652:urine; D005260:Female; D005313:Fetal Death; D005315:Fetal Diseases / Q000175:diagnosis*; D005332:Fetoscopy; D006801:Humans; D010920:Placenta / Q000378:metabolism*; D010922:Placenta Diseases / Q000175:diagnosis; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D014465:Ultrasonics
D004967:Estrogens