You could be, the pill isn't 100% effective as you would know. Take a test with first morning urine and see what it says. The pill can cause brown discharge so it could just be caused by that. If you're not using condoms then you could have an STD which would also cause the brown discharge and could delay your period.
Take a test. It's possible
Answer my question please? :)
you've not posted a question. You would need to post one on the forum for it to be answered.