Assertion: amniotic fluid | /r/CreatedBy | fetal urination
Facets:
Source sentences:
text: Amniotic fluid is produced by fetal urination but in the first 16 weeks of gestation additional sources include the placenta, amniotic membranes, umbilical cord and fetal skin.
text: 16 weeks.7 Studies using radiolabeled red blood cells and radioactive colloid estimate that, on average, a fetus swallows from 200 to 450 ml/day at term, removing 50% of the amniotic fluid produced through fetal urination.