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

Tyra Tennyson Francis, MD, is a board-certified family members medicine physician and also currently serves as the medical director of one outpatient clinic.

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Adolescence is a time for development spurts and other changes spurred by the onset of puberty. Because that boys challenged with this changes, it can be a time of an excellent uncertainty together some will certainly inevitably fall behind others in their development.

Among the key changes in the sexual maturation, boys will certainly undergo together the testicles obtain larger and the scrotum starts to thin and also redden. In tandem through these transforms is the growth of the dick which can construct at various rates for various boys.

As sexual awareness increases, concerns about penis size may deepen, specifically if all other indicators of puberty (including height, human body hair, and also changes in voice) room robust. Knowing what come expect—and what an "average" cock size yes, really means—can aid alleviate a lot of the stress.

normal Penis advance

The great news is that dick size is hardly ever a authorize of a medical problem. Through that gift said, over there are couple of answers about "normal" prick size that will meet an emotionally impatient teen.

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

To assist dispel these fears, parents should understand and share the facts about normal penis advancement with their sons if and when it i do not care an issue.

stages of advancement

Generally speaking, a boy's genitals will construct in somewhat predictable stages. Follow to professionals at Stanford Children's Health, the step of sex-related maturation in boys breakdown roughly as follows:

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

What is crucial to note is that, unequal wet dreams and also acne, there is no certain age by which the vul will begin to grow. In boys—even much more so 보다 girls—it deserve to be daunting to know exactly when puberty will certainly start and how it will certainly develop.

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

Even if a penis appears small by the age of 14, over there is still an opportunity for growth. V that being said, plenty of parents will want to schedule one appointment through the family members doctor if their son's dick hasn't began to thrive after the appearance of body and facial hair.

Average cock Length by age

The average cock length through age, outlined in Adolescent and Young Adult health Care: A valuable Guide through Dr. Lawrence Neinstein, should only offer as a guideline for genital advancement in boys.

It should not be offered to inspect if a boy is occurring "on schedule" (an action that may only underscore a boy's insecurity). Rather, it need to be offered as a recommendation if your kid fears the is fallout’s behind in relation to all various 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 to 6.7 inches

Because there may be errors in how the dick is measured, it is usually best to have actually the measurement done by a doctor or, far better yet, one adolescent wellness specialist.


The diagnosis of an abnormally small penis would certainly seem to it is in a pretty simple process, however it is actually not. When a physical exam may establish that a boy's penis is listed below what might be meant for his age, it can not accurately predict exactly how much expansion may quiet occur.

However, regardless of a boy's age at diagnosis, micropenis is defined as a cock 2.5 deviations smaller sized than the mean median for the age.

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

Keep in mind that there may be factors other than development that define a penis' abnormally quick appearance.

One such example is childhood obesity in which excessive pelvic fat obscures an otherwise normal-sized penis. The very same may happen if a boy has actually a very large frame, developing the impression that the dick is smaller than the is.

Less commonly, there room congenital conditions that limit just how much that the penis is externally seen. Examples encompass penoscrotal webbing (in i m sorry the scrotum extends increase the underside of the penis, creating an indistinct junction between the two) and phimosis (in i beg your pardon the foreskin is can not to retract).

Small cock size have the right to sometimes occur as a result of a genetic disorder (such as Klinefelter's syndrome) which impedes the production of testosterone throughout fetal development.


Generally speaking, after ~ the period of 8 over there is little a doctor have the right to do to promote penis growth in boys. For guys 8 and also under, testosterone replacement therapy (TRT) may be used; research suggests that that is most effective in infancy and also early childhood.

If used early on enough, TRT (delivered in three intramuscular injections over 12 weeks) may boost the child's prick size to the reference range for his age. ~ 8 years of age, TRT often tends to be far less effective.

For larger boys, surgery may be discover to act concealed cock abnormalities. The technique can differ by case, however may encompass circumcision or more extensive reconstructive measures in i beg your pardon the skin the the dick is "degloved" and repositioned v sutures and also skin grafts.

Penis enlargement surgical procedure (phalloplasty) is not thought about a reasonable alternative until later in life. The hazard of complications may outweigh the viewed benefits, and also the outcomes tend come be variable at best.

A Word native Verywell

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

Ultimately, dick size should never be thought about a measurement of one's manhood or virility. These cultural attitudes only serve to weaken a boy's confidence at a time when they are just just beginning to discover who they are.

If her son comes to you concerned about their penis size, take the moment to comment on their feelings without diminishing them. In part cases, cock size might only it is in a symptom the a bigger problem. In some cases, over there may have been teasing at college or an underlying absence of confidence for which cock size is emblematic.

Whether the issue is physics or psychological, it regularly helps to work-related with a medical experienced trained in adolescent health. By allowing an objective third-party into the conversation, you deserve to avoid any type of suggestion that there is a "problem" that needs resolving.

Acknowledge your son's feelings and also reassure lock of your self-worth, yet avoid false assurances and also platitudes that may only add to your anxiety.

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

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Verywell Family"s content is because that informational and also educational functions only. Ours website is not intended to it is in a substitute for professional medical advice, diagnosis, or treatment.