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==Overview==
==Overview==
A healthy vagina normally contains many [[microorganisms]], some of the common ones are ''Lactobacillus crispatus'' and ''Lactobacillus jensenii''. ''Lactobacillus'', particularly hydrogen peroxide-producing species, appears to help prevent other vaginal microorganisms from multiplying to a level where they cause symptoms. (Note: ''[[Lactobacillus acidophilus]]'' is not one of the species of ''Lactobacillus''identified as playing a protective role in vaginal flora.) The microorganisms involved in BV are very diverse, but include ''[[Gardnerella vaginalis]]'', ''Mobiluncus'', ''[[Bacteroides]]'', and ''[[Mycoplasma]]''. A change in normal bacterial flora including the reduction of lactobacillus, which may be due to the use of antibiotics or pH imbalance, allows more resistant bacteria to gain a foothold and multiplyIn turn these produce toxins which affect the body's natural defenses and make re-colonization of healthy bacteria more difficult.
Common causes of bacterial vaginosis include ''[[Gardnerella vaginalis]]'', ''[[Mycoplasma hominis]]'', [[ureaplasma]], and [[anaerobes]].<ref name="pmid17434799">{{cite journal| author=Donders GG| title=Definition and classification of abnormal vaginal flora. | journal=Best Pract Res Clin Obstet Gynaecol | year= 2007 | volume= 21 | issue= 3 | pages= 355-73 | pmid=17434799 | doi=10.1016/j.bpobgyn.2007.01.002 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17434799 }} </ref><ref name="pmid19399292">{{cite journal| author=Livengood CH| title=Bacterial vaginosis: an overview for 2009. | journal=Rev Obstet Gynecol | year= 2009 | volume= 2 | issue= 1 | pages= 28-37 | pmid=19399292 | doi= | pmc=2672999 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19399292  }} </ref>


==Causes==
==Causes==

Revision as of 19:37, 20 October 2016

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Mehrsefat, M.D. [2]

Overview

Common causes of bacterial vaginosis include Gardnerella vaginalis, Mycoplasma hominis, ureaplasma, and anaerobes.[1][2]

Causes

Common causes of bacterial vaginosis include:[1][2]

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References

  1. 1.0 1.1 Donders GG (2007). "Definition and classification of abnormal vaginal flora". Best Pract Res Clin Obstet Gynaecol. 21 (3): 355–73. doi:10.1016/j.bpobgyn.2007.01.002. PMID 17434799.
  2. 2.0 2.1 Livengood CH (2009). "Bacterial vaginosis: an overview for 2009". Rev Obstet Gynecol. 2 (1): 28–37. PMC 2672999. PMID 19399292.
  3. 3.0 3.1 3.2 3.3 "Public Health Image Library (PHIL)".

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