My last period came on 21st March nd ends on 26th march.... in April I had taken I pill for precaution and in April I missed my periods now in may my period started on 5th may and still it is going but from last 2 days I'm experiencing much pain and heavy flow.... Why periods are being irregular for such time and cycle is going to long..pls advice what precautions should I take .... or any other disease is forming ....pain is too much even the pain killer are not that much working