27 Oct 2026
One of Five Option Family Trees - Pass it On Pack
The family tree probability listed when one parent has GH - available in the Pass it On Pack
+
Becoming a member of the charity is a great was to get help, information and support the bigger cause
Buying something from our shop can help the cause, yourself and even others
We rely on the generosity of people like you for our National Helpline, to train doctors and nurses and for awareness raising.