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" Question My left breast is considerably smaller than the right one.  It is not simply smaller &amp;amp;#8211; it has not developed at all since I was about 14 (five years ago). The right breast is now a B cup, the left is an AA. The underside of the left breast does not curve out like the other. No glands can be felt in it but there is no sign of any lumps. It is as if the nerves have just died. I had an infection in my right breast when I was about 14 but that cleared up and there is nothing wrong with the development of that breast now. I had my left nipple pierced when I was 15, but the breast was already significantly less developed than the right one before this.  However, I had to take the nipple piercing out when I was 16 because it wouldn&amp;#039;t heal. Could this have played a part in worsening the problem? Is there anything that can be done about it? I am on the Pill and wondered if that could be the cause?    Answer The commonest explanation for a significant difference in the size of a woman&amp;#039;s breasts is &amp;#039;that&amp;#039;s the way you were made&amp;#039; &amp;amp;#8211; in other words, nothing to do with any kind of disease or disorder. It is possible for a chronic infection to inhibit the growth of a developing breast. This means the problem you had with the piercing could have contributed to the problem of the size.  However, it sounds as if the problem preceded that issue, so, at most, it is only a factor. The Pill suppresses the normal production of female hormones and therefore could theoretically have an adverse impact on development, but this would not explain the difference between the two sides. This difference is highly important to you, so consult your GP and ask for a referral to a specialist breast service for their opinion about causes and possible treatments. Yours sincerely The NetDoctor Medical team   Other Q&amp;amp;As  Are breast implants safe? Are my breasts normal? Are silicone breast implants safe? Breast enlargement pills Breast implants and soya bean oil Breast implants: how do I go about getting them? Can anything be done about my unsightly breasts? Can I get a breast enlargement on the NHS? Can I get breast reduction on the NHS? Can I increase the size of my bust without implants? Concerned about bust size Do breast enlargement pills, creams and herbs work? I am trying to get breast enlargement on the NHS I don&amp;#039;t have breasts! I had trilucent soya breast implants I want to have my breasts enlarged I&amp;#039;m worried about my silicone breast implants Is Erdic a safe breast enhancer? Large itchy breasts One breast is a cup size bigger than the other One breast is considerably bigger than the other Pills to increase the bust size Uneven breasts   Last updated 01.01.2014 "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.netdoctor.co.uk/ask-the-expert/a10997/could-my-nipple-piercing-have-affected-the-growth-of-my-left-breast/>