Group B Strep and Pregnancy: Difference between revisions

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<br>By Shawn Ruiz<br>
<br>By Shawn Ruiz<br>


<br>Group B Strep (GBS), also known as Streptococcus agalactiae, is a Gram-positive, beta-hemolytic, catalase-negative, facultative anaerobe that is a normal component of the gastrointestinal and genitourinary tracts.<ref name=aa>[https://en.wikipedia.org/wiki/Streptococcus_agalactiae]</ref>. In fact, GBS colonizes the gastrointestinal and genitourinary tracts of up to 50% of healthy adults<ref name=bb>[10.1038/nrmicro1552]</ref>. Most healthy adults who are colonized by GBS will not experience any symptoms or GBS-related infections. While the bacteria is usually harmless in healthy adults, it is a major cause of meningitis, pneumonia, and and sepsis in newborns.<ref name=cc>[https://evidencebasedbirth.com/groupbstrep/]</ref>.  
<br>Group B Strep (GBS), also known as Streptococcus agalactiae, is a Gram-positive, beta-hemolytic, catalase-negative, facultative anaerobe that is a normal component of the gastrointestinal and genitourinary tracts.<ref name=aa>[https://en.wikipedia.org/wiki/Streptococcus_agalactiae]</ref>. In fact, GBS colonizes the gastrointestinal and genitourinary tracts of up to 50% of healthy adults<ref name=bb>[https://pubmed.ncbi.nlm.nih.gov/17088932/]</ref>. Most healthy adults who are colonized by GBS will not experience any symptoms or GBS-related infections. While the bacteria is usually harmless in healthy adults, it is a major cause of meningitis, pneumonia, and and sepsis in newborns.<ref name=cc>[https://evidencebasedbirth.com/groupbstrep/]</ref>.  


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Revision as of 01:09, 15 March 2021

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Introduction

This artistic recreation, based on scanning electron microscopy (SEM), depicts a three-dimensional (3D), computer-generated image, of a group of Gram-positive, Streptococcus agalactiae (group B Streptococcus) bacteria. Photo Credit: Alissa Eckert, who is a medical illustrator at the CDC.


By Shawn Ruiz


Group B Strep (GBS), also known as Streptococcus agalactiae, is a Gram-positive, beta-hemolytic, catalase-negative, facultative anaerobe that is a normal component of the gastrointestinal and genitourinary tracts.[1]. In fact, GBS colonizes the gastrointestinal and genitourinary tracts of up to 50% of healthy adults[2]. Most healthy adults who are colonized by GBS will not experience any symptoms or GBS-related infections. While the bacteria is usually harmless in healthy adults, it is a major cause of meningitis, pneumonia, and and sepsis in newborns.[3].



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Authored for BIOL 238 Microbiology, taught by Joan Slonczewski, 2021, Kenyon College.