A Multicenter Multinational Observational Study of Children With Hypochondroplasia

This study will assess growth over time and the clinical course of HCH in children by collecting growth measurements and other variables of interest.

Inclusion Criteria: * Participants must be ≤ 15 years old at the time of signing the informed consent * Participants must have genetic confirmation of Hypochondroplasia diagnosis Exclusion Criteria: * Have a diagnosis of another genetic short stature condition other than Hypochondroplasia or a genetic variant known to cause another genetic syndrome associated with short stature * Received an investigational product or medical device within 6 months before the Screening visit