My Last Period Was 10th Of November, I Guess That

My last period was 10th of november, i guess that should be about 5 weeks of pregnancy medically... But by my calculations its about 4weeks bcoz i had sex on nov 21. Yesterday i did a PT because my period is late and it tested positive. So last night i bought misofem (a brand of misoprostol). I inserted 400mg in my vaginal, swallowed 200mg with little water and 200mg was taken bucally. Few hours later i started bleeding, i saw a clotted blood come out of my vagina when i went to urinate. I'm still bleeding till now.. Is the dosage enough to complete the abortion or do i need to take more dosages