It's a case by case basis. It's not for everyone. I want to be a surrogate, and I'm certain I could handle it because I want another pregnancy/birth experience, but I definitely don't want another baby to take home, lol. After my emotional state during my second pregnancy, I know I could handle it. But before that, I know I couldn't have.
If you have any doubts at all, the best thing to do is say no. While it is a wonderful gift, it's not one that everyone can give, and that's ok. If you go into it not sure about it, then it will probably create big problems between you and your sister, which I'm sure isn't something either of you want to live with for potentially the rest of your lives.
Ultimately, it's your decision, and you have to do what's right for you and your family.
at 11:00 AM on Jan. 25, 2011