Research Article

Phenotypic and Genotypic Characterization of Extended-Spectrum Beta-Lactamases Produced by Escherichia coli Colonizing Pregnant Women

Table 3

Distribution of resistance genes blaTEM, blaSHV, and blaCTX-M in 43 E. coli isolates.

One ESBL geneblaCTX-M (2.3%)
blaSHV (6.8%)
blaTEM (2.3%)

Two ESBL genesblaCTX-M and blaTEM (44.2%)
blaCTX-M and blaSHV (6.8%)

Three ESBL genesblaCTX-M, blaSHV, and blaTEM (37.2%)