Assertion: amniotic fluid | /r/HasProperty | fetal urine
Facets:
value: largely
type: DEGREE
Source sentences:
text: In earlier times, it was believed that the amniotic fluid was composed entirely of fetal urine.
text: As the pregnancy progresses, amniotic fluid from around week 20 is largely composed of fetal urine, skin cells shed by the baby, and secretion of fluids from its nose, mouth, lungs, and throat.