Assertion: ultrasound | /r/HasProperty | no evidence of harm
Facets:
value: to fetus
type: TRANSITIVE-OBJECT
value: to the patient
type: TRANSITIVE-OBJECT
value: to embryo
type: TRANSITIVE-OBJECT
Source sentences:
text: Ultrasound has been used to evaluate pregnancy for nearly four decades and there has been no evidence of harm to the patient, embryo or fetus.