title: Monitoring the fetal environment. 2. Endocrine and biophysical methods.
mesh_terms: D000650:Amnion; D000653:Amniotic Fluid; D006063:Chorionic Gonadotropin / Q000378:metabolism; D004724:Endoscopy; D004964:Estriol / Q000652:urine; D005260:Female; D005333:Fetus; D006801:Humans; D010928:Placental Lactogen / Q000378:metabolism; D011247:Pregnancy; D011276:Pregnanediol / Q000652:urine; D014463:Ultrasonography; D014626:Vaginal Smears
chemical_list: D006063:Chorionic Gonadotropin; D010928:Placental Lactogen; D004964:Estriol; D011276:Pregnanediol