Assertion: amnion's fluid | /r/MadeOf | fetal cells
Facets:
value: at a concentration
type: LOCATION
Source sentences:
text: This is because the fluid contains metabolic wastes and compounds used in assessing fetal age and lung maturity, but amniotic fluid also contains fetal cells, which can be examined for genetic defects.
text: The amniotic fluid that is withdrawn contains fetal cells at a concentration too low to permit direct determination of genetic or chromosomal disorders.