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'''Breast asymmetry''' is found in the vast majority of women (more than 90%<ref name=cossurg>[http://books.google.com/books?id=mJA9XMbtUBgC&lpg=PA132&ots=YLAD8IDho_&dq=90%25%20breast%20asymmetry&pg=PA132#v=onepage&q=breast%20asymmetry&f=false Panfilov, Dimitrije (2005). ''Cosmetic Surgery Today'': "Breast Asymmetry"]</ref>, by some estimates) to a more or less visible extent. Size differences can vary for any number of reasons. Depending on the extent of asymmetry, there may be medical issues, including increased breast cancer risk.
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'''Breast asymmetry''' is found in the vast majority of women (more than 90%, by some estimates)<ref name=cossurg>[http://books.google.com/books?id=mJA9XMbtUBgC&lpg=PA132&ots=YLAD8IDho_&dq=90%25%20breast%20asymmetry&pg=PA132#v=onepage&q=breast%20asymmetry&f=false Panfilov, Dimitrije (2005). ''Cosmetic Surgery Today'': "Breast Asymmetry"]</ref> to a more or less visible extent. Size differences can vary for any number of reasons. Depending on the extent of asymmetry, there may be medical issues, including increased breast cancer risk.
   
 
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==Frequency of occurence==
 
==Frequency of occurence==
More or less noticeable breast asymmetry is found in more than 90% of women<ref name=cossurg/>, making it the rule rather than the exception. Asymmetry can manifest itself in the size of the breast, the position of the nipple and areola, the angle of the breast, and the position of the breast fold/root (where the breast meets the chest). The left breast is on average larger than the right (due to the left breast's proximity to the heart; protective tissue over the heart along with increased vascularity both project the breast outward and increase its growth).<ref name=losken>[http://www.ncbi.nlm.nih.gov/pubmed/16327452 ''Losken, A., et al.'': "An objective evaluation of breast symmetry and shape differences using 3-dimensional images."]</ref>
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Since more or less noticeable breast asymmetry is found in more than 90% of women,<ref name=cossurg/> it is the rule, rather than the exception. Asymmetry can manifest itself in the size of the breast, the position of the nipple and areola, the angle of the breast, and the position of the breast fold/root (where the breast meets the chest). The left breast is on average larger than the right (due to the left breast's proximity to the heart; protective tissue over the heart along with increased vascularity both project the breast outward and increase its growth).<ref name=losken>[http://www.ncbi.nlm.nih.gov/pubmed/16327452 ''Losken, A., et al.'': "An objective evaluation of breast symmetry and shape differences using 3-dimensional images."]</ref>
   
Asymmetry in breast volume of at least one cup size difference is experienced by up to 25% of women<ref name=wdx1>[http://www.wdxcyber.com/breast-size-asymmetry.html ''WdxCyber'': "Breast Size Asymmetry"]</ref> And for approximately 10% of women, breast asymmetry is greater than that.<ref name=losken/>
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Asymmetry in breast volume of at least one cup size difference is experienced by up to 25% of women.<ref name=wdx1>[http://www.wdxcyber.com/breast-size-asymmetry.html ''WdxCyber'': "Breast Size Asymmetry"]</ref> And for approximately 10% of women, breast asymmetry is greater than that.<ref name=losken/>
 
<ref name=wdx2>[http://www.wdxcyber.com/nbreast3.htm Jelovsek, Frederick. ''WdxCyber'': "Breast Asymmetry - When Does It Need Treatment?"]</ref>.
 
<ref name=wdx2>[http://www.wdxcyber.com/nbreast3.htm Jelovsek, Frederick. ''WdxCyber'': "Breast Asymmetry - When Does It Need Treatment?"]</ref>.
 
 
   
 
==Causes==
 
==Causes==
Breast asymmetry may grow more or less pronounced, or even emerge at any point in an individual's life for a multitude of reasons, such as<ref name=wdx1/>:
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Breast asymmetry may grow more or less pronounced, or even emerge at any point in an individual's life for a multitude of reasons:<ref name=wdx1/>
*puberty
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*Puberty
*pregnancy
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*Pregnancy
*menstrual cycle
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*Menstrual cycle
*menopause
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*Menopause
*weight gain/loss
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*Weight gain/loss
*ribcage asymmetry
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*Ribcage asymmetry
*genetics/random growth patterns
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*Genetics/random growth patterns
*medical conditions (ex: virginal hypertrophy)
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*Medical conditions (such as virginal hypertrophy)
*previous surgical procedures
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*Previous surgical procedures
 
   
 
==Non-surgical adjustment==
 
==Non-surgical adjustment==
   
 
==Surgical alteration==
 
==Surgical alteration==
 
 
   
 
==Medical implications==
 
==Medical implications==
 
   
 
==References==
 
==References==

Revision as of 07:33, September 2, 2012

Breast asymmetry is found in the vast majority of women (more than 90%, by some estimates)[1] to a more or less visible extent. Size differences can vary for any number of reasons. Depending on the extent of asymmetry, there may be medical issues, including increased breast cancer risk.



Frequency of occurence

Since more or less noticeable breast asymmetry is found in more than 90% of women,[1] it is the rule, rather than the exception. Asymmetry can manifest itself in the size of the breast, the position of the nipple and areola, the angle of the breast, and the position of the breast fold/root (where the breast meets the chest). The left breast is on average larger than the right (due to the left breast's proximity to the heart; protective tissue over the heart along with increased vascularity both project the breast outward and increase its growth).[2]

Asymmetry in breast volume of at least one cup size difference is experienced by up to 25% of women.[3] And for approximately 10% of women, breast asymmetry is greater than that.[2] [4].

Causes

Breast asymmetry may grow more or less pronounced, or even emerge at any point in an individual's life for a multitude of reasons:[3]

  • Puberty
  • Pregnancy
  • Menstrual cycle
  • Menopause
  • Weight gain/loss
  • Ribcage asymmetry
  • Genetics/random growth patterns
  • Medical conditions (such as virginal hypertrophy)
  • Previous surgical procedures

Non-surgical adjustment

Surgical alteration

Medical implications

References

  1. 1.0 1.1 Panfilov, Dimitrije (2005). Cosmetic Surgery Today: "Breast Asymmetry"
  2. 2.0 2.1 Losken, A., et al.: "An objective evaluation of breast symmetry and shape differences using 3-dimensional images."
  3. 3.0 3.1 WdxCyber: "Breast Size Asymmetry"
  4. Jelovsek, Frederick. WdxCyber: "Breast Asymmetry - When Does It Need Treatment?"
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