Talk to Gynecologist on Pregnancy Issue

I had my last period on 1 march Os k baad mene 23 march ko pregnancy test kia tu positive aya Then 16 april ko mene rotec tablet use kia ek subha ek raat ko pir bi kuch ni howa tu agle dubara ek tablet li pir evening tk tora pain hone laga and then bleeding start howi with blood clots ziada heavy blood ni aya ek din tk hi os k baad koi bleeding ni howi then i wait for 7 weeks for my periods and still periods ni aye tu mene dubara pregnancy test kia tu positive aya he please guide me k ab agai kia karna he