I had last period on 2nd Feb (started and stayed 5 days). After that I had sex with my bf . This month means march till Today period not started. Last week I did the pregnancy test with card but it was negative . But I think I m pregnant. I have brought primoult n 5 mg 10 piece today.is this medicine suitable to start period. Or not ? If there are any other tablets in market please help me out . Plz suggest me. I can't consult to doc .