Hi Silvia, I was born with pulmonary valve stenosis as well as one of my sisters!! It has never been linked to any kind of syndrome:) (I'm 35 years old and my sister is 45 and we are both healthy and well!!) An OBGYN doctor did mention Noonan syndrome to me when I was pregnant and it totally freaked me out...but, I was tested and was seen by a ge... more