<unk>  may be classified according to the etiological site into three subtypes namely primary, secondary or combined.<unk>  can also be classified according to the age into two adult and child onset disease. Also, it could be classified based on the causes into acquired or congenital.
Hypogonadism classification
Delayed puberty classification
Androgen insensitivity syndrome classification
Polycystic ovary syndrome classification
Hypopituitarism classification
Prolactinoma classification
Infertility classification
Growth hormone deficiency classification