Hello sir, I took mifepristone and misoprostol on may 2016 then i have my regular periods after 45 days, my last periods is on dec14 2016 i took hpt on jan15 there is a faint line after that i followed many hpt but negative, still now no periods i have little pain in my back no other symptoms of pregnancy. What to do next, I am pregnant or not? please suggest me what to do next.