I was on sevista 60 mg twice a week for 3 months, then once a week for 3 months...since may 2011 ....and my last periods was in may 2011 ...now after almost a year I had heavy bleeding for 5 days and had to take registrone 2tabs twice daily to stop bleeding...will be taking it for 3 days and then 1 tab twice a day for a week as I have some religious ceremonies to perform..when can I expect my periods again...