Iowa AG, Brenna Bird, joined a letter signed by 20-state AGs demanding the American Academy of Pediatrics update its recommendations to reflect accurate warnings about the risk of puberty blockers and other hormone treatments for trans youth. Iowa AG, Brenna Bird, joined a letter signed by 20-state AGs demanding the American Academy of Pediatrics update its recommendations to reflect accurate warnings about the risk of puberty blockers and other hormone treatments for trans youth.