"i took my last birth control active pill 2 days late. had unprotected sex march 1st on my placebo week, 2 days before my period was due and 36 hours later took plan b. 5 days later on march 6th i was spotting and bleeding very light more like a brown discharge for 4 days. my period finally came yesterday march 30th. i freaked out the whole month and took 5 pregnancy tests and they were all negative. the pill works!!! you just have to be patient."