Assertion: ultrasound | /r/CapableOf | check for change
Facets:
value: in thinning
type: OTHER
value: in the cervix
type: LOCATION
value: in shortening
type: OTHER
value: in opening
type: TEMPORAL
Source sentences:
text: You may receive an ultrasound to check for changes in the cervix (thinning, opening or shortening) if your doctor thinks you may be at risk of preterm labor.