The Air Force is rolling back policies that would allow pregnant aircrew members to fly early in their pregnancy and are adding higher scrutiny to those seeking waivers to stay in the skies. The latest update reverses changes that gave more leeway to pregnant aircrew to fly in the first trimester of their gestation. The guidance, made public by the Air Force Surgeon General's Office on Tuesday, said there is an increased risk of miscarriage within that first 12-week window. "This change reverts