For as long as I can remember, there are only 2 things I have ever been 100% sure about: I wanted to work for NASA and I wanted to be a mom. I was born to be a mom, and I had no problem letting everyone around me know that one day, preferably while I was in my early 20s, I was going to have a baby. Nothing can prepare you for the gut-wrenching reality of your doctor telling you that you may not be able to have any more children. Growing up I was always very willy-nilly about my health. You know how adults always say kids think they…