Suggest Medication To Regulate Periods

please i need an advice,i had a miscarriage by august,and could not see my period,i went to a gynecologist and he gave me this medication called medroxyprogesterone 10 MG TAB to take 1 tablet for 7 days.i took and was able to see my period October3.its November 3,did not see my period and am not pregnant,because i and my husband do use condom to have sex.please is there any medication i can be prescribe to regulate my period.tell me the medication and please do prescribe how i can take it.GOD BLESS. emelda