Genotype testing in HIV-infected pregnant women

Results The results showed a majority of cases of non-B subtypes: subtype G 42%, subtype B 24%, subtype C 14%, CRF02_AG 12%, subtypes A, D, CRFO3_BG and CRF01_AE 2%. Comparative study of the different subtypes showed epidemiological differences: •Subtype G: 81,6% of women of Portuguese origin, 14,4% of African origin, with 76% of infection acquired by sexual transmission and 23,8% by intravenous drug use, 28,6% of women were on ART, and the median time of HIV infection was three and a half years. •Subtype B: all of the women of Portuguese origin, with 83,3% of infection acquired by sexual transmission and 16,78% by intravenous drug use, 50% of women were on ART, and the median time of HIV infection was eight years. •Subtype C: all of the women of African origin, all acquired the infection by sexual transmission, none of the women were on ART, and the median time of HIV infection was three years. •CRF02_AG: 63,2% of women of Portuguese origin, 28,6% of African origin, with 57,1% of infection acquired by sexual transmission, 28,6% by intravenous drug use, and 14,3% by vertical transmission, 14,3% of women were on ART, and the median time of HIV infection was 2 years.