hypogonadotropic hypogonadism 5 with or without anosmia (MONDO_0012880) is any hypogonadotropic hypogonadism in which the cause of the disease is a mutation in the CHD7 gene. Also known as: CHD7 hypogonadotropic hypogonadism, hypogonadotropic hypogonadism caused by mutation in CHD7.