This patient support community is for discussions relating to relationships, abstinence, arousal problems, birth control, cohabitation, commitment, communication, couples counseling, desire, sexual technique, and sexually transmitted diseases (STDs).
If its that important why don't you talk to her? Does it bother you THAT much if she is or isn't?
You can't go back and call the witness or the jury to the stands. You'll have to take her word. I suggest you do because nothing could hurt her more than her giving herself to you and you turning your back on her.