Spotting after sex

Courtney

So I am new to TTC. Came off my birth control the first week of March. I am super close to a positive ovulation test (I’m predicted to ovulate Wed). My husband and I had sex two nights ago and just now and both times after I had so very very light spotting. Like saw it when I wiped and there was maybe one drop in my undies. No pain or anything else happening. Any clue what this means?