i got my last period febuary 22 and march 1 i had protected sex but there might have been pre cum involved so i took the plan b pill the next day which was march 2 and on march 8 i got some spotting...on march 15 i had sex again but dis time my bf pulled out(he always does and i never get pregnant)...and ever since then i havent gotten my period....ima be two weeks late....is that normal?