I had started taking a birth control contraception called depo provera since 07 November 2016, of which that December I got my period that ended around May/June of 2017, I never worried much as it was a highlighted side effects but beginning of October 2017 my period return which then stopped beginning of January 2018 for just that month, it's now month end February and I've been again on my period since the month began, please help!!