Thanatophoric dysplasia has two genetic types, but it can often be diagnosed while a baby is developing in the womb visually using just an ultrasound. That’s because thanatophoric dwarfism is one of the most common lethal skeletal dysplasias. Babies with this type of dysplasia have a severe growth deficiency, and they will need a ventilator to help them breathe once they’re born. At Nemours, our skeletal dysplasia experts work with palliative care specialists to focus on the comfort of seriously ill children. We create medical care plans and offer guidance for the whole family.