I'm on bc and I have been for the past three years. The past few periods I've been spotting before my period like brown and light pinkish. Recently I've had protected sex 5 and 6 days ago. The condom did not slip or break that I am aware of. I started spotting like 6 or 7 days before my period and it was brown and light pink sometimes when I wiped. Today (5 days before period) I wiped and it was bright red. Is this implantation bleeding or a sign that my period is coming????