The will be the last time you had unprotected penetrative sex. That is when the time begins.
Do you have any sexual encounter with your boyfriend?
@teak,how do i know when i got infected.the oct.RVS was neg. then later turned positive. what do i do? the confirmatory result isn't out yet. whats my fate,what about the pains am really scared.
The only way to know your status is by testing 3 months post exposure is when you can obtain your conclusive test results.