im 25 and my peroids have always been irregular but now they have stopped completley, went to the doctor got blood tests done & they all came back grand apart from my estroegn levels are high & my l.h. levels are low went on provera 10mg 2 a day for 10 days still no period!!!!!!!!!! went back to the doctor & she put me on 40mg a day for 10 days my last day is tomorrow & yet again still no period. My doctor suspects pcos but yet when i got n internal ultrasound done the examiner did not seem to see anything that would suggest pcos. Please help