Assertion: amniocentesis | /r/HasProperty | requested
Facets:
value: sometimes
type: TEMPORAL
value: during the third trimester
type: TEMPORAL
Source sentences:
text: Sometimes amniocentesis is requested during the third trimester, however, to determine if a uterine infection may be present, if there is fetal anemia when a child has Rh disease, and if a blood transfusion maybe necessary.