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Vaginal microbiota of healthy pregnant Mexican women is constituted by four Lactobacillus species and several vaginosis-associated bacteria.


ABSTRACT: OBJECTIVE: To identify the microbiota communities in the vaginal tracts of healthy Mexican women across the pregnancy. METHODS: Vaginal swabs were obtained during the prenatal visit of women from all trimesters (n = 64) of healthy pregnant women of Mexico City. DNA was isolated from each sample, and PCR-DGGE and sequencing of 16S rRNA gene fragments were used to identify the bacterial communities. RESULTS: 21 different microorganisms were identified in the vaginal samples. Lactobacillus genus was present in 98% of women studied. Four lactobacilli species were identified in vaginal samples. L. acidophilus was the predominant (78%) followed by L. iners (54%), L. gasseri (20%), and L. delbrueckii (6%). 17 different microorganisms related to bacterial vaginosis conditions were identified. Ureaplasma urealyticum was the predominant (21%) followed by BVAB1 (17%) and Gemella bergeriae (7.8%). CONCLUSIONS: Lactobacillus genus predominates in the vaginal samples of Mexican pregnant women associated with different microorganisms related to bacterial vaginosis conditions.

SUBMITTER: Hernandez-Rodriguez C 

PROVIDER: S-EPMC3179877 | biostudies-literature | 2011

REPOSITORIES: biostudies-literature

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Vaginal microbiota of healthy pregnant Mexican women is constituted by four Lactobacillus species and several vaginosis-associated bacteria.

Hernández-Rodríguez César C   Romero-González Roberto R   Albani-Campanario Mario M   Figueroa-Damián Ricardo R   Meraz-Cruz Noemí N   Hernández-Guerrero César C  

Infectious diseases in obstetrics and gynecology 20110922


<h4>Objective</h4>To identify the microbiota communities in the vaginal tracts of healthy Mexican women across the pregnancy.<h4>Methods</h4>Vaginal swabs were obtained during the prenatal visit of women from all trimesters (n = 64) of healthy pregnant women of Mexico City. DNA was isolated from each sample, and PCR-DGGE and sequencing of 16S rRNA gene fragments were used to identify the bacterial communities.<h4>Results</h4>21 different microorganisms were identified in the vaginal samples. Lac  ...[more]

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