weight GAIN during/after pregnancy

HI, MY SISTER IS WANTING TO HAVE THIS SURGERY, BUT SHE ALSO IS WANTING TO HAVE A BABY WITHIN THE NEXT YEAR OR 2, SHE IS CONCERNED THAT IF SHE HAS THE SURGERY THEN IN A COUPLE YEARS GETS PREGNANT SHE WILL REGAIN MOST OF THE WEIGHT BACK...WILL SHE? HOW DID YOU DO WITH YOUR PREGNANCY? THX

We greatly appreciate your interest in helping us build our Q&A database. To discourage vandals from posting garbage, however, we require people to register before posting.