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" Question My right breast is several cup sizes smaller then my left &amp;amp;#8211; I wear a padded bra to cover it.  For a while my left breast felt sore and tender and had an uncomfortably large lump in it.  I&amp;#039;m too scared to see the doctor &amp;amp;#8211; she will just tell me to wait till I am fully developed. I am 16.   Answer  You might be reassured to know that your problem is by no means unique.  None of us are physically symmetrical, and just as many men have differences in the size and shape of their testicles, so many women have some differences in the shape and size of their breasts.  All of us to some extent have faces that are remarkably different on each side. Your problem however does seem more severe than average, although as you say, your age may be an important factor. At your age, the sex hormones that govern physical development fluctuate quite considerably, and initially it is quite possible for one breast to respond differently to the other.  Usually the other breast will catch up and more-or-less match its counterpart in shape and size within a few months.  The fact that your left breast felt sore and tender strongly suggests that it has responded to hormone stimulation and already enlarged. My advice is that you at least speak to your doctor in the near future to explain your concerns, so that you can both agree on a date to review the situation.  If after several more months the situation is unchanged, it may be that you have a condition called Poland&amp;#039;s syndrome, where one breast fails to develop and remains considerably smaller than the other breast.  This is unlikely, but should it prove to be the case, breast augmentation (breast enlargement) on the side of the small breast is perfectly feasible and will result in you having symmetrical and equally-sized breasts.  This could certainly be carried out on the NHS as it is justifiable on grounds other than cosmetic ones.  Yours sincerely The NetDoctor Medical Team   Other Qs &amp;amp; As A 17-year-old boy with breasts A question about blood creatinine levels Adrenal query Am I a hermaphrodite? Are my small breasts a result of a hormone deficiency during puberty? Baby&amp;#039;s first shoes Can oestrogen in food cause cancer? Can selenium help with autoimmunity? I am concerned about the shape of my breasts I&amp;#039;m a boy and I&amp;#039;m growing breasts I&amp;#039;m self-conscious about my hairless body Muscle building desire My breasts are now two different sizes My eight-year-old daughter is developing very fast Our water has a high lead content Tell me about hydrocephalus Tell me about hypergonadotrophic hypogonadism What causes cretinism? What is a prolactinoma? What is adrenal burnout? Why haven&amp;#039;t my breasts developed?   Last updated 04.05.2011 "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.netdoctor.co.uk/ask-the-expert/health-and-wellbeing/a3965/one-of-my-breasts-is-much-smaller-than-the-other/>