Who Is Affected By Noonan Syndrome?

Who Is Affected By Noonan Syndrome? Noonan syndrome appears to affect more males than females and is thought to affect approximately one in 1,000 to one in 2,500 people. However, other reports indicate that the disorder may affect more than one in 1,000 newborns in the general population. Can females have Noonan syndrome? Females with