title: Plethysmographic studies of venous volume in the lower legs during normal primipregnancy.
mesh_terms: D000022:Abortion, Spontaneous; D000293:Adolescent; D000328:Adult; D002196:Capillaries / Q000502:physiology; D002199:Capillary Permeability; D004548:Elasticity; D005260:Female; D006801:Humans; D007866:Leg / Q000098:blood supply*; D010298:Parity; D010991:Plethysmography; D011247:Pregnancy; D011276:Pregnanediol / Q000652:urine; D012039:Regional Blood Flow; D012501:Saphenous Vein / Q000502:physiology; D013997:Time Factors; D014690:Venous Pressure
chemical_list: D011276:Pregnanediol