BFN could I be pregnant?

Leia 🐻♥️🐳

So. My period works like clockwork. She is never late! I was suppose to start on the first of November. So I️m 7 days late but still testing negative... could she just be really late, or am I testing too early? For some background information we had sex 4 days before my period was suppose to start, the day before my period I got a light pink bleed after I went to the bathroom and then it went away.