Doc I Have A Question Tht I Had Intercorse On

Doc i have a question tht i had intercorse on 20 november 2014 at tht timei am in peiods my fiance use the condom. And after the intercrose i take conterseptive pill and one pain killer. My question is tht right now my period is not come today is 24 but still periods is not come. My age is 23. Plz tell me what should i do. Can i test with a a pregnacy test kit it gave 100% right result or not.? And if my result positive then can i take abortion pill after 6weeks of intercorse or not.? or i can go for medical abortion.? I telling u frankly tht i dont want any medical abortion. Can i just take abortion pill and it will ok to me? Plz tell me the right way plz plz