of joy jen and drew never thought they d experience in november even more joy when jen gave birth to their son benjamin with a uterus from a deceased donor. i was so excited something that i thought never would happen happened. reporter: today doctors at penn medicine explained the procedure offering hope to the 5% of women with uterine infertility. they have functional ovary and eggs but they can t get pregnant because they don t have a uterus reporter: at 17 she was told she could never bear children. it wasn t you have to take extra steps. it was it s not possible. reporter: the transplant took ten hours. six months later, jen was pregnant the first such baby was delivered in brazil a year ago. the cleveland clinic did it again in june baby benjamin is number three in the world. today, the donor s mother said in a statement her daughter was the best mother she ever knew. i think there s no measure to how important that is and