Hi Myself Pooja From Bangalore,actually I Hv A Irregular Periods

hi myself pooja from bangalore,actually i hv a irregular periods problem, 3 yrs back i had a sexual intercourse with my bf after tht am not getting my periods regularly n if i had a tab to get my periods ill get my periods only for 1-2 days thts it tht too no more bleeding.can u suggest me wht the prob