Hormonal headaches/5dpo?

I'm 5dpo, I know you don't get symptoms this early which is why I'm skeptical but I suffer from hormonal headaches.

Without fail I have a headache the day I ovulate and the day before my period. From 3-5dpo I've been having these hormonal headaches, they are horrible. They're so painful.

Could these be signs my hormone levels are climbing to potentially support a pregnancy?