Please put my mind at ease

Hey so i’m on the birth control pill and next week is my placebo week. I noticed some spotting yesterday and today. I’ve been on the pill since September. I’ve never missed a pill or have taken one late. I am sexually active but i also use condoms 99% of the time. The last time i had sex was april 7 and i did use a condom. Is this spotting normal? It’s too late o be implantation bleeding. awhy is this happening/ is it normal?