Lung liquid and amniotic fluid.
D000653:Amniotic Fluid; D001826:Body Fluids / Q000378:metabolism*; D005260:Female; D005865:Gestational Age; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008168:Lung / Q000196:embryology* / Q000378:metabolism; D011247:Pregnancy; D011312:Pressure