Does testosterone replacement therapy shrink the testes?
When restoring hormones using testosterone, human chorionic gonadotropin the testes will likely slow production of testosterone in response to (perceived) high levels. This condition may also result in minor shrinking of the testes. However, when including HCG which emulates luteinizing hormone, is also used the testes are stimulated into producing their own testosterone, thereby preserving their function and size. These products are usually injected into muscle 2 to 3 times per week by the patient using an insulin syringe.
