Tampa police say doctors induced labor and the woman had a healthy baby boy. The entire family was eventually released from the hospital in good condition.
Tampa police say the family of four ate the tainted meat Monday. The Hillsborough County Medical Examiner's Office reported Friday that the meat had been contaminated with the hallucinogenic drug.
Police say the bottom round steak was purchased from a Wal-Mart in Tampa. The store has turned over all its meat to police for testing.
Local police, along with county health officials and state and federal agriculture officials, are investigating how the drug got into the meat.