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  • Title: Seropositivity to Chlamydia trachomatis in prostitutes: relationship to other sexually transmitted diseases (STDs).
    Author: Caterino-de-Araujo A, de-los-Santos Fortuna E.
    Journal: Braz J Med Biol Res; 1990; 23(8):697-700. PubMed ID: 2101095.
    Abstract:
    The prevalence of Chlamydia trachomatis and its relationship with other sexually transmitted diseases (STDs) was investigated by serological determinations in a group of 45 women working as prostitutes in Santos, State of São Paulo. Seropositivity to HIV-1 was demonstrated in 4 (9%) of the cases and to HIV-2 in one case. Syphilis and hepatitis B were detected in 29% and 43% of the 45 women, respectively. Specific antibodies to C. trachomatis were found in all subjects. The high seroprevalence of human immunodeficiency virus (HIV), hepatitis B virus (HBV), syphilis and C. trachomatis in this population was related to predisposing factors such as number of sexual contacts, sexual practices, drug use and episodes of sexually transmitted diseases (STDs). Researchers enrolled 600 prostitutes from an AIDS control and prevention program in a study to determine the prevalence of Chlamydia trachomatis in prostitutes and other sexually transmitted diseases (STDs). The prostitutes worked in the port city of Santos, Brazil where many people use intravenous (IV) drugs. Only 45 prostitutes met the study criterion of 5-100 sexual partners/day. Health practitioners took sera from each woman to test for HIV-1, HIV-2, hepatitis B surface antigen (HBsAg) and antibody (HBsAb), Treponema species (syphilis), and C. trachomatis. All the women tested positive for C. trachomatis. This high percentage may have been due to previous contact with the microbe and not necessarily due to an active infection. 42% had been exposed to Treponema. 20% were HBsAb seropositive and 9% HBsAg seropositive. 9% tested positive for HIV-1 and 2% for HIV-2. In another study in Campinas, Brazil, HIV-1 and seropositivity was 21.5% for prostitutes and transvestites. In addition, in a study in metropolitan Sao Paulo, HIV infection prevalence varied from 18-73% among 935 women and 22% among prostitutes. 58% of the prostitutes in Santos had had sexual intercourse with bisexuals or IV drug users. 44% had previously experienced an STD. 42% used IV drugs. 42% practiced both oral and vaginal sex. 36% practiced oral, vaginal, and anal sex. Only 22% limited themselves to oral sex. Since C. trachomatis can cause infertility, chronic pelvic pain, and spontaneous abortion and since every prostitute in the study had been exposed to it, health workers should institute regular STD screening for prostitutes.
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