So i took plan b on february 24th about 30 minutes after the incident and according to an app i have to track my period it says that from the 19 to the 25 i was in my fertile days. now i am having brown discharge and i'm not due to get my period till anot

Plan B effect: Plan b is essentially taking a high dose of birth control to disrupt the hormonal patterns in your body to delay or present ovulation. An abnormal period afterwards is not surprising. If you think you might be pregnant check then check a home pregnancy test. They are cheap, reliable and available at any pharmacy. Always do a pregnancy test 10-14 days after to make sure it worked