Health Boston Childrenâs Hospital Touts Hysterectomies and other Gender Surgeries for Minors August 14, 2022 The Federalist 1 The hospital offers other transgender surgeries, including phalloplasties for 18-year-old girls who want penises, vaginoplasties for 17-year-old boys who want vaginas, chest reconstruction and breast augmentation for children as young as 15.