Assertion: umbilical cord's vein | /r/CapableOf | block fetal venous circulation
Facets:
value: due to volume overload
type: CAUSE
Source sentences:
text: Although most cases have a favorable outcome, fetal death is attributed to formation of a thrombus in the dilated segment of the vein that blocks fetal venous circulation or to fetal cardiac insufficiency due to volume overload (59).