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4 results on '"Oyunbileg, Amindavaa"'

1. Evolving Understanding of the Epidemiology of HIV and Prevention Needs among Men Who Have Sex with Men in Ulaanbaatar, Mongolia

Author

Tugsdelger Sovd, Oyunbileg Amindavaa, Davaalkham Jagdagsuren, Unenchimeg Puntsag, Erdenetuya Gombo, Stefan Baral, Bulbul Aumakhan, Sergelen Munkhbaatar, Baigalmaa Jantsansengee, Iliza Azyei, Susanne Strömdahl, and Sosthenes Ketende

Subjects
Adult, Male, Gerontology, Health Knowledge, Attitudes, Practice, medicine.medical_specialty, Social Psychology, Social stigma, Cross-sectional study, Sexual Behavior, Social Stigma, Population, Health Services Accessibility, Men who have sex with men, Access to Information, Condoms, Social support, Risk Factors, Surveys and Questionnaires, HIV Seropositivity, Epidemiology, Prevalence, medicine, Humans, Syphilis, Homosexuality, Male, education, Health Services Needs and Demand, education.field_of_study, Diagnostic Tests, Routine, business.industry, Public health, Public Health, Environmental and Occupational Health, Social Support, virus diseases, Mongolia, medicine.disease, Health Surveys, Cross-Sectional Studies, Infectious Diseases, business, Demography
Abstract

This study describes HIV and syphilis bio-behavioral survey conducted among 200 men who have sex with men (MSM) recruited via respondent-driven sampling (RDS) between January 4 and February 1, 2012 in Ulaanbaatar, Mongolia. Participants were administered a structured questionnaire and data were analyzed with RDS-network program in STATA. Of 196 participants who agreed to be tested for HIV and syphilis, 21 (10.7 %; weighted 7.5; 95 % CI: 4.9, 11.4) and 8 (4.1 %; weighted 3.4; 95 % CI: 1.7, 6.7) were positive for HIV and syphilis, respectively. Exposure to HIV prevention programs in the last 12 months was reported by 51.8 % (weighted 33.6; 95 % CI: 27.6, 40.1) of participants. This study found high HIV prevalence and limited uptake of HIV prevention services among MSM in Mongolia. Given the concentrated HIV epidemic among MSM in Mongolia, HIV prevention, treatment and care services should focus on MSM as the population group most affected by HIV.

Published
2014

2. Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicentre randomised trial. (Articles)

Author

von Hertzen, Helena, Piaggio, Gilda, Ding, Juhong, Chen, Junling, Song, Si, Bartfai, Gyorgy, Ng, Ernest, Gemzell-Danielsson, Kristina, Oyunbileg, Amindavaa, Wu, Shangchun, Cheng, Weiyu, Ludicke, Frank, Pretnar-Darovec, Alenka, Kirkman, Rosemary, Mittal, Suneeta, Khomassuridze, Archil, Apter, Dan, and Peregoudov, Alexandre

Subjects
Contraceptives, Postcoital -- Evaluation, Levonorgestrel -- Evaluation, Levonorgestrel -- Dosage and administration, Mifepristone -- Dosage and administration, Mifepristone -- Evaluation
Published
2002

3. HIV and sexually transmitted infection-related risks among female sex workers in Mongolia: second-generation surveillance survey, 2011-2012

Author

Bulbul Aumakhan, Sergelen Munkhbaatar, Jugderjav Badrakh, Stefan Baral, Susanne Strömdahl, Iliza Azyei, Zolzaya Sanjaajamts, Oyunbileg Amindavaa, Baigalmaa Jantsansengee, and Tugsdelger Sovd

Subjects
Adult, medicine.medical_specialty, Health Knowledge, Attitudes, Practice, Multivariate analysis, Adolescent, Sexual Behavior, Population, Reproductive medicine, Sexually Transmitted Diseases, HIV Infections, Dermatology, Logistic regression, Cohort Studies, Condoms, Young Adult, Acquired immunodeficiency syndrome (AIDS), Interquartile range, Risk Factors, medicine, Prevalence, Humans, Syphilis, education, Ulcer, education.field_of_study, Sex Workers, business.industry, Age Factors, virus diseases, Mongolia, Middle Aged, medicine.disease, Sex Work, Genital ulcer, Infectious Diseases, Logistic Models, Immunology, Multivariate Analysis, Female, medicine.symptom, business, Genital Diseases, Female, Demography
Abstract

Background Surveillance studies among female sex workers (FSWs) in Mongolia have found no HIV but high rates of syphilis, ranging from 10.7% in 2002 to 20.8% in 2007. Objectives To determine the current prevalence of HIV and syphilis among FSWs, and to identify syphilis risk factors. Methods 761 FSWs were recruited by time–location sampling between 2 January and 29 March 2012 in Ulaanbaatar city, Darkhan-Uul, Orkhon, Khuvsgul and Dornod provinces in Mongolia. Participants were administered an anonymous structured survey. Blood samples were tested for HIV and syphilis. Bivariate and multivariate logistic regression analyses were performed to identify factors associated with syphilis. Results The mean age of participants was 31 (median 30, interquartile range 24–38). HIV knowledge was modest: 41.3% correctly answered all questions. Consistent condom use with clients was reported by 49.1% of participants and exposure to HIV prevention programmes by 50.1%. Although no cases of HIV were found, syphilis prevalence was −27.8% (95% CI 24.3% to 31.7%). In multivariate analyses, variables associated with syphilis were younger age (age >30 years, OR=0.96, 95% CI 0.92 to 0.99) and occurrence of genital ulcer (OR=2.24, 95% CI 1.17 to 4.28). Conclusions A syphilis epidemic continues to grow among FSWs in Mongolia. These women are at high risk of HIV transmission if introduced into their sexual networks. With the increase in migration of mining workers in Mongolia, introduction of HIV may be imminent. Efforts to intensify treatment and prevention programmes among FSWs are needed.

Published
2014

4. Sexually transmitted infections among pregnant women attending antenatal clinics in Mongolia: potential impact on the Mongolian HIV epidemic

Author

Oyunbileg Amindavaa, Davaajav Khalzan, Erdenechimeg Lkhamsuren, Andrea Mikolon, Battogtokh Chimeddorj, Khosbayar Tulgaa, Byambaa Chultemsuren, Chin Y Pak, Udval Natsag, Andrea S Randall, and Sibylle Kristensen

Subjects
Sexually transmitted disease, Adult, medicine.medical_specialty, Adolescent, Cross-sectional study, Population, Sexually Transmitted Diseases, HIV Infections, Dermatology, Prenatal care, urologic and male genital diseases, medicine.disease_cause, Acquired immunodeficiency syndrome (AIDS), Pregnancy, Medicine, Humans, Pharmacology (medical), Pregnancy Complications, Infectious, education, Gynecology, education.field_of_study, business.industry, Obstetrics, Public Health, Environmental and Occupational Health, virus diseases, Mongolia, Middle Aged, medicine.disease, Infectious Diseases, Cross-Sectional Studies, Socioeconomic Factors, Neisseria gonorrhoeae, Trichomonas vaginalis, Female, business, Chlamydia trachomatis
Abstract

We conducted Mongolia's first nation-wide cross-sectional survey of sexually transmitted infections (STIs) among pregnant women attending prenatal care. Among our 2000 participants, 386 (19.3%) were infected with Chlamydia trachomatis, 133 (6.7%) with Trichomonas vaginalis, 121 (6.1%) with Neisseria gonorrhoeae, and 128 (6.4%) were seropositive for Treponemal antibodies. None of our participants were seropositive for HIV infection. Additionally, 605 (30.3%) of the women had at least one STI, 133 (6.7%) had a double infection, and 15 (0.8%) had a triple infection. Our results suggest that STIs are a serious problem in Mongolia. Pregnant women represent a lower-risk general population; these high STI rates suggest that at this nascent stage, the identification, treatment, and prevention of STIs as risk factors for HIV transmission are crucial in the prevention of the emerging Mongolian HIV epidemic.

Published
2005

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