Ahhh...to be young and actually worry about that stuff...glad I'm an old heiffer that is happy as long as I can maintain my currently overweight weight.
I was able to loose the 'baby fat' after all three of my boys were born, but after having my daughter at the age of 38, already heading in that direction when I got pregnant, I just said...well, I guess I can't say it without offending some.
After one of my male friends jokingly told me that I'd put on some pounds (some joke) and asked why I wasn't dieting I replied, "Why bother, I'm already married."
Anyhoo, good luck Lisa. Keeping with a regular exersize regime will definitely help you loose it quicker.