How i make my dick big please help me

How can your dick big?
at first you should know that the normal size of the penis is betwee 11- 18 cm during erection, and  there is normal  difference in the size of the penis between people . About making it larger you can do the elogation exercise bu grip your penis and stretche it upward 10 secends , oand if there is testosterone difeciancy you can replace the hormone by the doctor , but The only way to enlarge the penis is through the operation, but the operation is performed only if ithe penis is less than 8 cm
Diagnosis :
By taking full medical history and clinical examination and tests the testosterone level and thyroid hormone level 
Causes of small penis :

• Hormonal Problem
• Hypothyridism
• Trauma
• Masturbation
• Smoking
• Alcohol

Advice :
you should go to the andrologist to get proper managment
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