Nora Quorin's body was found on Tuesday
Malaysian police say Nora Quoirin died from internal bleeding caused by prolonged hunger and stress.
The post-mortem revealed she may have passed away two or three days before her body was found.
It also revealed that she suffered intestinal damage and that no foul play is suspected.
15 year old Nora was missing for ten days after disappearing from the resort where she was staying with her parents.
Her body was found on Tuesday.