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Doctor insights on: How Long Should A 12 Year Olds Penis Be

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Dr. Moez Khorsandi
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Dr. Moez Khorsandi
Board Certified
21 years in practice
2M people helped
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How long is the average 16 year olds penis?

How long is the average 16 year olds penis?

Penis Size: average fully grown is 5.5" by most studies. At 16 you could be just starting, be midway, or be finishing puberty when penis grows, beard develops with other body hair, etc. Males can continue to grow until 25 or so. Relax, my friend since you will have what you will have - enjoy it and use it SAFELY and it will serve you well whatever size it is! ...Read more

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16 year old penis 4,4inches long when erect ? Is this average size ?

16 year old penis 4,4inches long when erect ? Is this average size ?

Not done growing: An unerect penis in late adolescence is approximately 4 inches long. A fully erect adult sized penis is typically between 5-6 inches long. You are not far off and you're not done growing by any means! Once you reach full maturity in your early 20's I would expect that you will have a longer penis than you do know and you're already making way towards the "average adult male." Don't worry too much! ...Read more

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I was 17 year old boy I want ask about my penis my penis like 1 CM long every day is keep staying same length is that stopping grow?

I was 17 year old boy I want ask about my penis my penis like 1 CM long every day is keep staying same length is that stopping grow?

Go to the Doctor: If your erect penis is only one centimeter you may have a delayed puberty and it is urgent that you get this evaluated and treated. Please go see your family physician urgently. ...Read more

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My son is 14 years old and he is worrying about his penis size(13.4cm). how much long should a 14 year old teen's penis size ?.

Long enough.: Penis really does not need to be very long to serve it's purpose. There is a lot of variation in size at around that age. 13 cm is long enough. As long as he has developed normally in other ways - muscle mass, body shape, deepening of voice, enlargement of testicles, I would not worry. ...Read more

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Dr. Moez Khorsandi
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Have i really not went through puberty at the age of 20 and with the following information? I am a 20 year old male and my penis is 2 inches long (non erect), my voice is not deep, my testicals have not dropped or look bigger from years ago, and I do not

Have i really not went through puberty at the age of 20 and with the following information? I am a 20 year old male and my penis is 2 inches long (non erect), my voice is not deep, my testicals have not dropped or look bigger from years ago, and I do not

Totally possible: If you haven't developed the characteristics of an adult male, eapecially when it comes to your genitals, it is possible that your testosterone never did its job. You should consult with a hormone specialist (endocrinologist) for a good work up after talking to your primary doc. ...Read more

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Hello, i am a 19 year old man with a 5.6 inch pens and a small scrotum .... I want to ask if my scrotum can get larger and my penis get longer?

Hello, i am a 19 year old man with a 5.6 inch pens and a small scrotum .... I want to ask if my scrotum can get larger and my penis get longer?

At 19 ? : I would not think so, since at 19 your body is peaking, in a sense, on hormone levels such as testosterone, that improve these attributes. There are marketed products that claim to enhance your manhood -avoid them. Make an appointment to see an adult Endocrinologist for answers, but don't expect miracles... ...Read more

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I'm almost 17 years old, my penis is 4.7 inches long, is this average or small ?

I'm almost 17 years old, my penis is 4.7 inches long, is this average or small ?

Remember: Try to not get to caught up on size. You're more likely concerned about this rather than others! I know it's easier said than done. There are studies from the UK that suggest that average male penis is 5.5-6.3 inches when erect. ...Read more

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Dr. Moez Khorsandi
Board Certified, Urology
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