Barbara Poncelet, CRNP, is a certified pediatric nurse practitioner specializing in teen health." data-inline-tooltip="true">Barbara Poncelet
Tyra Tennyson Francis, MD, is a board-certified family medicine physician and currently serves as the clinical director of one outpatient clinic." data-inline-tooltip="true">Tyra Tennyson Francis, MD

Tyra Tennyson Francis, MD, is a board-certified household medicine physician and currently serves together the medical director of one outpatient clinic.

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Adolescence is a time for expansion spurts and other transforms spurred by the start of puberty. Because that boys challenged with this changes, it have the right to be a time of great uncertainty as some will inevitably autumn behind rather in your development.

Among the key changes in the sexual maturation, boys will undergo together the testicles acquire larger and also the scrotum begins to thin and redden. In tandem with these transforms is the development of the prick which can construct at different rates for different boys.

As sex-related awareness increases, concerns around penis size may deepen, specifically if every other indicators of puberty (including height, body hair, and changes in voice) are robust. Discovering what to expect—and what one "average" penis size really means—can aid alleviate a lot of the stress.

typical Penis breakthrough

The good news is that prick size is seldom a authorize of a medical problem. V that gift said, over there are couple of answers about "normal" penis size the will fulfill an emotionally impatient teen.

Between the ages of 10 and also 14, when many of the development spurts occur, guys will frequently feel the need to "size up" with their peers, believing us to fall brief if they are anything less than average. Even in boys as young together 11, the visible changes seen in rather can easily turn from a resource of curiosity to among anxiety.

To aid dispel these fears, parents need to understand and also share the facts about normal penis breakthrough with their sons if and when it i do not care an issue.

stages of development

Generally speaking, a boy's genitals will develop in rather predictable stages. Follow to experts at Stanford Children's Health, the stages of sexual maturation in boys break down roughly as follows:

First Pubertal Change: Enlargement the the testiclesPenis Growth: Around one year ~ the testicles have startedAppearance the Pubic Hair: 13.5 yearsNocturnal Emissions ("Wet Dreams"): around 14 yearsOther Changes: face hair, a deeper voice, and also acne

What is necessary to keep in mind is that, uneven wet dreams and acne, over there is no particular age by which the vul will begin to grow. In boys—even more so 보다 girls—it deserve to be an overwhelming to know precisely when puberty will certainly start and how it will develop.

For some, that may show up as an almost solitary event. In others, that may construct in fits and starts ideal through early high school. While boys in a family often follow comparable growth patterns, over there can also be variations amongst brothers that defy expectations.

Even if a dick appears small by the period of 14, there is still an chance for growth. With that being said, many parents will desire to schedule an appointment with the family doctor if your son's prick hasn't started to flourish after the appearance of body and also facial hair.

Average cock Length by period

The average dick length by age, outlined in Adolescent and Young Adult health Care: A practical Guide by Dr. Lawrence Neinstein, must only serve as a tip for genital development in boys.

It must not be used to check if a boy is arising "on schedule" (an action that might only underscore a boy's insecurity). Rather, it should be offered as a referral if your kid fears that is fall behind in relationship to all other markers for puberty.

Age 10 to 11: 1.6 to 3.1 inchesAge 12: 2.0 come 4.0 inchesAge 14: 2.4 come 5.5 inchesAge 15: 3.1 come 5.9 inchesAge 16: 3.9 to 5.9 inchesAge 18: 4.3 come 6.7 inches

Because there may be errors in exactly how the penis is measured, it is usually best to have actually the measurement excellent by a pediatrician or, much better yet, an adolescent wellness specialist.


The diagnosis of an abnormally little penis would seem to be a pretty straightforward process, but it is in reality not. When a physical exam may develop that a boy's prick is below what could be meant for his age, it cannot accurately predict how much growth may tho occur.

However, regardless of a boy's period at diagnosis, micropenis is defined as a dick 2.5 deviations smaller than the mean average for the age.

Experts explain that beforehand diagnosis in infancy or beforehand childhood is necessary for efficient treatment. If hormone deficiency is the basic cause, for example, hormone supplementation deserve to be efficient at encouraging catch-up growth.

Keep in mind the there may be components other than growth that describe a penis' abnormally quick appearance.

One such instance is childhood excessive weight in which excessive pelvic fat obscures an otherwise normal-sized penis. The very same may happen if a boy has actually a very huge frame, producing the impression that the cock is smaller than the is.

Less commonly, there are congenital problems that limit exactly how much the the cock is externally seen. Examples encompass penoscrotal webbing (in i m sorry the scrotum extends up the underside of the penis, developing an indistinct junction in between the two) and also phimosis (in i m sorry the foreskin is unable to retract).

Small dick size have the right to sometimes occur as a an outcome of a hereditary disorder (such as Klinefelter's syndrome) i beg your pardon impedes the production of testosterone during fetal development.


Generally speaking, after ~ the age of 8 over there is tiny a doctor deserve to do come promote dick growth in boys. For guys 8 and also under, testosterone replacement treatment (TRT) may be used; research says that the is most efficient in infancy and early childhood.

If used beforehand enough, TRT (delivered in 3 intramuscular injections end 12 weeks) may boost the child's penis size come the reference selection for his age. After ~ 8 year of age, TRT has tendency to be much less effective.

For older boys, surgery might be discover to treat concealed cock abnormalities. The technique can vary by case, yet may incorporate circumcision or much more extensive reconstructive actions in i m sorry the skin of the dick is "degloved" and also repositioned through sutures and skin grafts.

Penis enlargement surgical procedure (phalloplasty) is not taken into consideration a reasonable choice until later on in life. The risk of complications may outweigh the regarded benefits, and also the outcomes tend come be change at best.

A Word from Verywell

While concerns about penis size may be understandable in boys going through puberty, it is unhelpful for those emotions to it is in echoed or reinforced by parental or household members.

Ultimately, prick size must never be taken into consideration a measure up of one's manhood or virility. These social attitudes only serve to weaken a boy's confidence at a time as soon as he is only just beginning to check out who that is.

If your son involves you concerned around his prick size, take the time to talk about his feelings without diminishing them. In some cases, dick size may only be a symptom that a bigger problem. In part cases, there may have been teasing at institution or one underlying lack of confidence for which cock size is emblematic.

Whether the worry is physical or psychological, it often helps to work-related with a medical expert trained in adolescent health. By allowing an objective third-party into the conversation, you can avoid any kind of suggestion that there is a "problem" that needs resolving.

Acknowledge your son's feelings and also reassure him of his self-worth, however avoid false assurances and platitudes that might only include to his anxiety.

Verywell family uses just high-quality sources, including peer-reviewed studies, to support the facts within our articles. Review our editorial process to learn much more about exactly how we fact-check and also keep our content accurate, reliable, and also trustworthy.

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Verywell Family"s content is for informational and also educational functions only. Ours website is not intended to be a instead of for skilled medical advice, diagnosis, or treatment.