Assertion: umbilical cord | /r/HasProperty | established by 8–9 weeks of gestation
Facets:
value: well
type: DEGREE
Source sentences:
text: The umbilical cord is visualized at US by 42 days of gestation and is well established by 8–9 weeks of gestation
text: ( The umbilical cord is visualized at US by 42 days of gestation and is well established by 8–9 weeks of gestation ( 5 ).