The London Clinic where Kate Middleton was treated, is said to be investigating claims that staff tried to peek at her private medical records.
The hospital bosses are looking into the possibility that Kate's privacy was violated while she was a patient there in January.
It's said that at least one person working there tried to sneak a look at the 42 year old's notes.This has sparked a probe at the hospital in Central London, known for its discreet treatment of royals, ex-presidents, Prime Ministers and famous faces.
A source said: "This is a major security breach and incredibly damaging for the hospital, given its unblemished reputation for treating members of the Royal Family.