Thanatophoric dysplasia (TD) is the most common form of lethal neonatal dwarfism with micromelic shortening of the limbs, macrocephaly, platyspondyly, and reduced thoracic cavity.

摘要致死性畸胎是最常见的致死性新生儿侏儒其特点为短小的四肢、小胸、巨头及脑部发育异常等。