Can exercise improve congenital symmastia?

I am sorry to tell you this, but I am fairly confident there is not a good solution.  I treat a lot of implant-caused "uniboobs" (should be called symmastia), and so i am referred a lot of patients like you.  I have tried everything, presented the cases to others, and no plastic...

Breast implants are not recommeded for patients less than a 18 years of age unless they have a congenital malformation and not just small breasts.  Implant manufacturers will not honor a warranty if done "off label" at young age.  Donald R. Nunn MD  Atlanta Plastic Surgeon

Thank you for your question.  At 350 cc you are at the maximum for your breast width of 10.5 cm.  To go larger you will have to change to a high profile or alter high profile breast implant which will significantly increase your projection but make your breast with less.

Your concern is understandable at this point, but it is far too early to be worried.  Whenever skin is removed, like in a lift procedure, there will be bunching up of the remaining skin somewhere, usually at the end of and incision line.  We call this a 'dog ear'.  In your case,...

Its hard to state “what stage” of development you have reached, but it is safe to assume that there my be further enlargement of your breast until the age of 18-19. Because the breasts are changing, plastic surgeons do not ordinarily recommend surgery (such as breast implants) in patients you...

As others have stated the pectoralis fascia is very thin, and attempting to elevate it results in tearing, bleeding and other issues.  In my opinion there is very little difference between submammary and subfascial breast augmentation.  Subpectoral muscle augmentation is, in my...