from ... 'A pageant mom in Florida is the subject of an upcoming episode of Untold Stories of the E.R. after forcing her daughter to ingest tapeworms in order to slim down for competition.

Upon checking into the emergency room with severe stomach pains, nurse Maricar Cabral-Osorio thought the teen was pregnant. But an ultrasound showed no fetus -- although there was an inexplicable growth in her intestines.

Recounted and reenacted for Discovery Fit & Health's anything-but-subtle medical scare docudrama, the unfortunate teenage contestant's condition became clear upon a fateful trip to the bathroom.

"It was a toilet bowl full of tapeworms," Cabral-Osorio recalled. '