hello my name is Maire and i have a nearly 15 year old brother with A T R X .how bad does your son have it ,i am also a carrier of A T R X as well .i have 2 daughters and i am now 8 weeks pregnant with my 3rd child ,i am a week away from having my blood test to find out what sex my baby is .there is so many children with this condition ,i remember when my brother was only like 3 or 4 ,there was only 1 other child in the UK i knew of that had the same condition as my brother ,my brother has it quite mild but does have reflex problems and autism.The doctors found out her had A T R X when he had meningitis when he was 1 years old ,where abouts in the uk do you live ? we are from glucestershire .cant wait to here from you .all the best ,marie and family x