Assertion: amniocentesis | /r/HasProperty | the gold standard
Facets:
value: for prenatal genetic testing
type: PURPOSE
value: for prenatal diagnosis
type: PURPOSE
Source sentences:
text: Chorionic villus sampling (CVS) and amniocentesis are the gold standard for prenatal diagnosis.
text: Amniocentesis is considered the gold standard for prenatal genetic testing," Greiner said.