HELP!

Patient: MY BOYFRIEND HAS SMALL HANDS AND FEET AND SHORT TOPS OF ARMS AND MY MUM BELIEVED HE HAS A CONDITION CALLED HYPOCHRODROPLASIA AND I AM VERY DEPRESSED AS HIS MEDICAL HISTORY ONLY SHOWS TALIPES…HOW DO I FIND OUT ABOUT THIS??HOW DO I PROVE HE HASNT?HELP!!!

Doctor: