Amniotic fluid.
D000650:Amnion / Q000033:anatomy & histology; D000653:Amniotic Fluid / Q000032:analysis* / Q000502:physiology; D005314:Embryonic and Fetal Development; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D005333:Fetus / Q000502:physiology; D006130:Growth Disorders / Q000175:diagnosis; D006801:Humans; D011247:Pregnancy; D011865:Radioisotope Dilution Technique