I have a heart murmer but isn’t that common? I also have a slow but normal heart beat. Pretty sure that the formation of the cardiovascular system of your fetus wouldn’t be affected by your Congenital Adrenal Hyperplasia or if your fetus has CAH then ditto that the cardivascular system isn’t affected because it’s hormone related.

Two things that I learned from cancer : ) is that if the doctor isn’t all that concerned then I wasn’t going to be either and to be positive (in your own way) until there is a reason not to.