aetiology
Last reviewed 01/2018
Causes of micropenis include:
- idiopathic
- hypothalamic causes, including Kallman syndrome or Prader-Willi syndrome
- hypopituitary causes, including growth hormone or gonadotrophin deficiency
- gonadal causes, including Down's syndrome, Noonan's syndrome
- end organ causes such as androgen insensitivity
Note that there can be apparent micropenis in obesity.