sincerly is better to be honest its to difficult i know i have done that surgery called hymenoplasty that takes virginity back ut i felt in depresion it was more hard than i thought.
There is no reason to be scared unless you are from a different culture. The best thing to do is to talk to your husband to be. Don't give him details of how you lost it.
However if you really don't want to tell him, there is a surgery you can get to give you another virginity. I wouldn't recommend this though, unless due to your culture you are REQUIRED to be a virgin until after marrige.
Hope this helps
Tiffany