Achondroplasia
Gene
Inheritance
What is the lethal form called
FGGR3
AD
Thanatrophoric dysplasia
Achondroplasia
Limb features
Facial features
Other features
Dwarfism with short proximal limbs
Trident hand
Big head with frontal bossing and hypoplasia of the mid face
Low IQ, spinal stenosis and delayed motor milestones
Hypochondroplasia
How is it different to achondroplasia
Less common, less difference between limbs and the trunk. More likely to have lowered IQ