AKT-2979

A 32-year-old female presents with a purpuric rash on the back of her legs, frequent nosebleeds, and menorrhagia. She is currently taking Microgynon 30 as her only regular medication. A full blood count is ordered and the results are as follows: Hb 11.7 g/dl, platelets 62 * 109/l, WCC 5.3 * 109/l. What is the probable diagnosis?