Recurring and isolated intronic FGFR1 variants as an underdiagnosed cause of congenital hypogonadotropic hypogonadism
Congenital hypogonadotropic hypogonadism (CHH) is a genetically heterogeneous disorder characterized by absent or delayed puberty and infertility due to gonadotropin-releasing hormone deficiency. While loss-of-function variants in FGFR1 are the most commonly known genetic cause of CHH, diagnostic screening typica...