The prevalence of Human immunodeficiency virus (HIV) antibodies in pregnant women varies widely between industrialized and developing countries. There is a lack of information about the status of HIV-infected pregnant women with increased risk for AIDS. Our objective was to determine the prevalence of HIV antibodies in pregnant women with increased risk at the Hospital of Obstetrics and Gynecology of the Mexican Institute of Social Security, Leon, Mexico, from December 18, 2003, through February 28, 2006. In a cross-sectional study, 2,257 pregnant women with at least one risk factor for AIDS were recruited. In these women, a sample of blood to determine HIV antibodies was taken. There were two women with positive HIV antibodies; therefore, the HIV seroprevalence was 0.8 per 1,000. Of the two HIV-positive women, one of them had a history of chronic sexually transmitted diseases; she was married to a man who was working outside of our country for about 10 months, and also he had tattoos. The other HIV-positive woman had a history of chronic sexually transmitted diseases, and her husband had intercourse with different women. The risk factors of use of tattoos, migration to foreign countries, and use of injectable drugs were more frequent among the male partners than in the pregnant women (P < .001). We concluded that in our country as well as in other developing countries, the prevalence of HIV antibodies in pregnant women with risk factors is low but still present. Because a significant number of risk factors for AIDS also were found in their male partners, HIV testing should be performed in all pregnant women as well as in their male partners.
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