Hello Nell,
Welcome to the board!!!
I am still in the pre-op process so I can't answer your questions but surely someone else will! You can also look around the board and read some of the previous posts: your answers will come from there as well! You will even find answers to questions you didn't know you had!!!
That was my case anyways!!!
How much weight are you looking to lose? Tell us a little bit more about yourself...
__________________
Mia 
5'3''
Start of pre-op diet: 271 lbs
September 16: Rebirthday!!!
Lap RNY
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"Once you make a decision, the universe conspires to make it happen."
- Ralph Waldo Emerson