1 out of 3 pregnant women who become infected with CMV will pass it on to their unborn child. Posted bymicrogen@dev May 7, 2024July 18, 2024 Leave a comment on 1 out of 3 pregnant women who become infected with CMV will pass it on to their unborn child. 1 out of 3 pregnant women who become infected with CMV will pass it on to their unborn child.