Suggest Remedy For Irregular Periods

hi doctor! i am 30 yrs old.. mother of 2 children. younger one is yrs old. i had one abortion 3 yrs back.. my periods were due on 3rd seo 2011.. but i found out on the 8/09/11 that i had concieved. so i took mt pill n misoprost pills... my periods began on the 10th sept-16th sept. i had pain in my lower abdomen , got myself examined.. dic said tht i had infection so she has prescribed me antibiotics etc... n says to get a pap's smear done. i am very scared. on 23/11 i put candid v6 tablet in my vagina.. n started bleeding again (dark n thick discharge , not heavy) .. wht should i do??