Monarch Disease Ontology entry MONDO_0016386 (hypogonadotropic hypogonadism-retinitis pigmentosa syndrome) can be described as follows. This syndrome is characterized by the association of hypogonadotropic hypogonadism (with primary amenorrhea and lack of secondary sexual development) and retinitis pigmentosa. It has been described in two sisters born to nonconsanguineous parents. Also known as: Chang-Davidson-Carlson syndrome.