March 3 I start taking medicine myric forte 3tablet in a morning im also taking a trust fills and march 8 i got menTruation only 3days then stop then I take another fills but i am late of 1day after that march 15 i got spoting for 2 days i used panty liner because only little and april 1 I get spoting again only 1day and I am expecting my menstruation now because i finish allready my fills but i still dont have menstruation, why? What happen is it about my medicine or I am pregnant because i did pregnancy test april 3 its negative what should I do, pls. Answer me complete and easy to understand.