I Am Only 5 Week Pregnant And I Took 4

I am only 5 week pregnant and I took 4 arthotec every 3 hours under my tongue after the third time I statrd to bleed but not heavy bleeding small amount. is that normal and I still feel like vomiting I feel like I am still pregnant its been only 3 days of bleed is it normal to feel like that I only had small clot of blood like size of a pea