I have a periods problem last 2 month. Last month period happened but not usually. Only one day flow is happen another 2 days just seen only. This month also no period. Normally I have period 28 days correctly and 7 days bleeding happen I feel something problem. How to change my period suddenly changed I don't know. I take festone for last 2 years 3 times it will cause any problems on my uterus. Bt this is first time my period irregular manner. Please suggest this make problem or is automatically change regular periods.