Fetal Surgery twins
Credit: OHSU News
Adriana Romero Villarreal underwent fetal laser surgery to treat twin-to-twin transfusion syndrome when she was 22 weeks pregnant with sons Felix and Isaac, pictured here with their surgeons, Raphael Sun, M.D., and Andrew Chon, M.D., and their father, Isaac Bagnall. (OHSU/Christine Torres Hicks)