I had sex a week before my period. But my period is 2 weeks late. Im on birth control and i always use protection. I took 2 tests a week after my period and both came out negative. But a week after that( today and yesterday) i noticed brown discharge when i wiped....and i got scared this has never happened before....so im scared to death rn that im pregnant... anyone know whats going on and if i am or not!?