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Male organs are12cm long and 4cm thick. I am 22 years old. Is it normal?
Absolutely normal. China male (18 ~ 45 years old) has a penis length (non-erection) of 4.5 ~ 8.8 cm, with an average of 6.5 cm, an average transverse diameter of 2.5 cm and an average circumference of 8 cm in the middle of the penis. After erection, it usually doubles.

Therefore, whether you are erect or not, it is normal.