When an erection occurs, if it is only 11.5 cm, is it normal?

Patient's question:

Detailed medical condition and consultation purpose: The penis only measures 11.5 cm when erect, with a history of masturbation, and it feels particularly short after masturbation. Is this normal? What measures should be taken?

Doctor's answer:

Generally, an adult male's penis measures 11-16 cm when erect. Considering your situation, it is relatively normal. If there are no other abnormalities, there is no need to worry too much. Just like height, weight, and facial features, there are significant variations in penis size among individuals—some are longer, some are shorter, and some are thicker or thinner.
The average length of a male's penis when flaccid is 5-6 cm, and when erect, it is about twice as long. If the penis measures less than 4 cm when flaccid and less than 8 cm when erect, it is considered micropenis. Micropenis can indeed be surgically treated, but such surgery is highly complex and carries many potential complications. In reality, true micropenis is extremely rare. You can schedule an appointment for a proper examination. The measurement method must be standardized—just because it looks small to you does not necessarily mean it is. As long as it falls within the normal range and functions properly, there is no issue.
If you do have a micropenis, surgical lengthening may be an option to consider.

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