Key Takeaways
- Gynaecomastia (gyno) during puberty is common, is caused by normal hormone changes, and often settles within six months to two years.
- A GP is the right first step, to confirm the diagnosis and rule out other causes. Watchful waiting is usually recommended.
- Surgery is generally only considered when gland tissue has persisted, puberty is largely complete, and the condition is having a significant impact on the teenager.
- For cosmetic surgery on anyone under 18, the Medical Board of Australia requires an independent psychological evaluation and a cooling-off period of at least three months after consent.
- The decision should reflect the teenager’s own clear and consistent wishes, with the views of parents or guardians taken into account.
Gynaecomastia during puberty is one of the most common chest conditions in teenage boys, and one of the most misunderstood. Many families are unsure whether it is normal, whether it will go away, and when, if ever, surgery should be considered.
This guide is written for parents and covers why pubertal gynaecomastia happens, how often it settles on its own, when to see a doctor, when surgery may become an option, and the additional safeguards that apply to anyone under 18.
Is Gynaecomastia in Teenage Boys Normal?
Yes. Breast tissue enlargement during puberty is common in boys and is one of the most frequent benign conditions in adolescent medicine. It usually appears in mid-puberty.
The cause is hormonal. During puberty, oestrogen and testosterone both rise, but not always in step. If oestrogen activity at the breast briefly outpaces testosterone activity, gland tissue grows beneath the nipple. This is a normal part of puberty. It is not a sign of disease and not something the teenager has caused or can control.
Normal does not mean unnoticed, though. The gland can be tender and visible through clothing, and change rooms, swimming and sport can make it a source of real embarrassment. Puffy nipples are a common form, explained in solutions for puffy nipples in men.
Does Pubertal Gynaecomastia Go Away on Its Own?
In most boys, yes. Pubertal gynaecomastia often settles within six months to two years as hormone levels stabilise.
For this reason, watchful waiting is the standard approach for otherwise healthy teenage boys. There is no proven way to speed this up. Where excess weight is adding a fatty component, healthy weight management can help with that part, but it does not shrink gland tissue. The difference between gland and fat is explained in pseudogynecomastia vs true gynaecomastia.
Gynaecomastia that does not settle usually involves gland tissue that has become fibrous: firm, persistent and no longer responding to hormonal change. This typically happens when it has been present for around two years or more. At that stage it is unlikely to resolve without surgery, whatever the teenager’s age.
When Should a Teenager See a Doctor?
The first step is the family GP, not a surgeon. A GP can:
- Confirm the diagnosis and rule out other, less common causes of breast enlargement
- Arrange blood tests if a hormonal or medical cause is suspected
- Review medications, supplements and substances, including anabolic steroids, that can contribute
- Refer to an endocrinologist if needed
- Refer to a specialist plastic surgeon if surgery later becomes a reasonable consideration
See the GP promptly if there is a lump on one side only, a hard or fixed lump, rapid growth, nipple discharge or skin changes.
Even when the advice is to wait, a clear diagnosis and an explanation of what is happening is often reassuring for a teenager. More on symptoms and causes is in what is gynaecomastia.
When Does Surgery Become an Option for Teenagers?
Surgery is not the first or default answer for pubertal gynaecomastia. Most cases settle, the body is still developing, and the risks of surgery need to be weighed against the clinical need. For some teenage boys, though, surgery can become a reasonable option, and the decision is not simply about age.
Factors that support considering surgery:
- Gynaecomastia has been present for around two years or more and is not settling
- The gland has become firm and fibrous, and is unlikely to resolve
- The impact is significant, affecting daily life, sport, social participation or wellbeing, rather than mild self-consciousness
- The teenager has a clear and consistent wish for treatment, rather than the request coming mainly from others
- Puberty is complete or nearly complete
Factors that point to continued waiting:
- It has been present for less than about 18 months and may still settle
- Puberty is still actively progressing
- The impact is real but manageable
- The teenager is unsure about treatment
There is no single age cut-off. Each case is assessed individually, and in most cases surgery waits until puberty is substantially complete.
Additional Safeguards for Patients Under 18
The Medical Board of Australia sets additional requirements for cosmetic surgery on anyone under 18. These apply on top of the requirements for adults:
- Capacity to consent. The surgeon must assess and be satisfied that the teenager has the capacity to consent to surgery.
- Parents’ views. The surgeon should take into account the views of a parent or guardian, including whether they support the surgery.
- Independent psychological evaluation. Before any cosmetic surgery, every patient under 18 must be referred to, and evaluated by, a psychologist, psychiatrist or GP who works independently of the surgeon.
- Three-month cooling-off period. There must be at least three months between giving informed consent and the surgery being performed. During this time, the teenager is encouraged to talk through their reasons with their GP.
- State and territory law. Surgeons must also comply with local laws on surgery for patients under 18.
The requirements that apply to all patients also apply, including a referral from a GP or specialist, at least two consultations before surgery (one in person with the surgeon who will operate), and screening for psychological conditions such as body dysmorphic disorder.
These guidelines apply to surgery performed for cosmetic reasons. Surgery with a medical justification, for example where breast tissue development during growth is causing functional or psychological problems, is defined differently. How an individual case is classified is discussed at consultation.
In practice, this means the process for a teenager is more detailed and takes longer than for an adult. That is appropriate. Parents can reasonably ask any surgeon how these safeguards will be met.
The Surgery Itself
Where surgery is appropriate, the procedure is the same as for adults: removal of the gland through an incision along the lower edge of the areola, usually combined with liposuction if there is fat around it. The options are explained in gyno surgery: your gynaecomastia treatment options.
Recovery is also similar. It is a day procedure under general anaesthetic, with a compression garment for about two weeks, a return to school from around day 7 to 10, and a return to sport from week 6. Details are in recovery after gynaecomastia surgery.
One consideration is specific to teenagers. If puberty is still progressing, ongoing hormonal change can lead to some regrowth of gland tissue. This is one reason surgery is usually deferred until puberty is substantially complete. As with any surgery, risks include bleeding or haematoma, infection, scarring, changes in nipple sensation, contour irregularity and asymmetry.
Medicare items 31525 and 31526 apply at any age when the criteria are met: the enlargement is not due to obesity, and photographs document the clinical need. Costs are explained in gyno surgery cost in Australia.
For Parents: The Path to a Consultation
If gynaecomastia has persisted for more than 12 to 18 months and your GP has completed an assessment, a consultation with a specialist plastic surgeon is a reasonable next step. A consultation provides an accurate assessment and explains the options. It does not commit anyone to surgery.
The usual steps are:
- GP assessment to confirm the diagnosis, rule out other causes and check hormone levels if needed.
- Referral from the GP to a specialist plastic surgeon.
- First consultation with Dr Scott J Turner, who assesses the chest, discusses the options and advises whether surgery is appropriate at this stage. The consultation fee is $450.
- Independent psychological evaluation, required for all patients under 18 before cosmetic surgery.
- Second consultation, at which a decision can be made with time to consider questions.
- Cooling-off period of at least three months after consent for patients under 18.
To arrange a consultation, contact the practice. Procedure details are on the gynaecomastia surgery page.
Frequently Asked Questions
At what age can a teenager have gynaecomastia surgery in Australia?
There is no fixed minimum age in the Medical Board’s guidelines. In practice, surgery is usually deferred until puberty is substantially complete. What matters more than age is how long the gland has been present, whether it has become firm and fibrous, the impact on the teenager, and the teenager’s own clear wishes. Additional safeguards apply to anyone under 18.
My 14-year-old has had gynaecomastia for six months. Should I be worried?
In most cases, no. Gynaecomastia is common in puberty and often settles within six months to two years without treatment. A GP assessment is a sensible first step to confirm the diagnosis and rule out other causes. See the GP promptly if there is a one-sided, hard or rapidly growing lump.
What is the three-month cooling-off period?
For cosmetic surgery on anyone under 18, the Medical Board of Australia requires at least three months between giving informed consent and the surgery being performed. During this time, the teenager is encouraged to talk through their reasons with their GP. Adults have a cooling-off period of at least seven days.
Who does the psychological evaluation for teenagers?
Before cosmetic surgery, every patient under 18 must be referred to, and evaluated by, a psychologist, psychiatrist or GP who works independently of the surgeon. The GP must not be one who performs cosmetic procedures. The evaluation looks for underlying psychological problems that may make surgery unsuitable.
Does exercise help teenage gynaecomastia?
Exercise and healthy weight management can reduce chest fat if it is contributing. They do not shrink gland tissue. Many teenagers spend a long time on chest exercises hoping the gland will reduce, but a firm disc under the nipple will not change with training or diet.
