Can a doctor know that you’ve been sexually active?

Brianna

Hi guys. I’m getting blood work done to see if I have herpes. Can the HSV blood test let the doctor know That ive been sexually active? I am not sexually active but he was explaining to me and my mom that I could easily of gotten it from kissing, burns, cuts, oral sex etc...asking bc my mom thinks I have been and doesn’t believe me. So will that test confirm if I have been or not?

Also can herpes mess up your period?