Assertion: retained placenta | /r/CapableOf | occur following prolonged gestation
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Often retained placenta often occurs following dystocia (difficult birth), prolonged gestation, cesarean section (C-section), fetotomy (obstetrical intervention to remove a dead foal in pieces), hydropsy (excessive amount of the fetal fluids), induced-birth and periparturient hemorrhage of major uterine blood vessels (bleeding).