after my bf and i began having sex i took morning after pills on two occasions because the condom broke and the other time we did not use one. after that my period came two weeks b4 regular time. i began using my birth control pills the day my period started on a sunday and a week after we had unprotected sex again i noe i noe but it was an unexpected thing and my bf and i have been dating for a while so no possibility of std were both clean. but anyways.. should i take plan b or are my yaz bcp effective already...