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Article: Prevalence of Chlamydia Trachomatis among Pregnant Women, Gynecology Clinic Attendees, and Subfertile Women in Guangdong, China: A Cross-sectional Survey
Title | Prevalence of Chlamydia Trachomatis among Pregnant Women, Gynecology Clinic Attendees, and Subfertile Women in Guangdong, China: A Cross-sectional Survey |
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Authors | |
Keywords | Chlamydia trachomatis epidemiology pregnancy prevalence STI |
Issue Date | 2021 |
Publisher | Oxford University Press (OUP): Policy C. The Journal's web site is located at http://ofid.oxfordjournals.org/ |
Citation | Open Forum Infectious Diseases, 2021, v. 8 n. 6, p. article no. ofab206 How to Cite? |
Abstract | Background Chlamydia trachomatis (CT) is a major cause of infertility and adverse birth outcome, but its epidemiology among childbearing-age women remains unclear in China. This study investigated the prevalence of CT and associated factors among Chinese women aged 16-44 years who were either 1) pregnant; 2) attending gynaecology clinics; or 3) subfertile. Methods We conducted a cross-sectional survey and recruited participants from obstetrics, gynaecology, and infertility clinics in Guangdong, between March to December, 2019. We collected information on individuals' socio-demographic characteristics, previous medical conditions, and sexual behaviours. First-pass urine and cervical swabs were tested using nucleic acid amplification testing. We calculated the prevalence in each population and subgroup by age, education, and age at first sex. Multivariable binomial regression models were used to identify factors associated with CT. Results We recruited 881 pregnant women, 595 gynaecology clinic attendees, and 254 subfertile women. The prevalence of CT was 6.7% (95% Confidence Interval (CI): 5.2%-8.5%), 8.2% (95%CI: 6.2%-10.7%), 5.9% (95%CI: 3.5%-9.3%) for the above three populations, respectively. The subgroup-specific prevalence was highest among those who had the first sex before 25 years and older pregnant women (>35 years). The proportion of asymptomatic CT was 84.8%, 40.0%, and 60.0% among pregnant women, gynaecology clinic attendees, and subfertile women, respectively. Age at first sex (<25 years), multipara, and ever having more than one partner increased the risk of CT. Conclusion Childbearing age women in China have a high prevalence of CT. As most women with CT were asymptomatic, more optimum prevention strategies are urgently needed in China. |
Persistent Identifier | http://hdl.handle.net/10722/299798 |
ISSN | 2023 Impact Factor: 3.8 2023 SCImago Journal Rankings: 1.360 |
PubMed Central ID | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Li, C | - |
dc.contributor.author | Tang, W | - |
dc.contributor.author | Ho, HC | - |
dc.contributor.author | Ong, JJ | - |
dc.contributor.author | Zheng, X | - |
dc.contributor.author | Sun, X | - |
dc.contributor.author | Li, X | - |
dc.contributor.author | Liu, L | - |
dc.contributor.author | Wang, Y | - |
dc.contributor.author | Zhao, P | - |
dc.contributor.author | Xiong, M | - |
dc.contributor.author | Zheng, H | - |
dc.contributor.author | Wang, C | - |
dc.contributor.author | Yang, B | - |
dc.date.accessioned | 2021-05-26T03:29:12Z | - |
dc.date.available | 2021-05-26T03:29:12Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Open Forum Infectious Diseases, 2021, v. 8 n. 6, p. article no. ofab206 | - |
dc.identifier.issn | 2328-8957 | - |
dc.identifier.uri | http://hdl.handle.net/10722/299798 | - |
dc.description.abstract | Background Chlamydia trachomatis (CT) is a major cause of infertility and adverse birth outcome, but its epidemiology among childbearing-age women remains unclear in China. This study investigated the prevalence of CT and associated factors among Chinese women aged 16-44 years who were either 1) pregnant; 2) attending gynaecology clinics; or 3) subfertile. Methods We conducted a cross-sectional survey and recruited participants from obstetrics, gynaecology, and infertility clinics in Guangdong, between March to December, 2019. We collected information on individuals' socio-demographic characteristics, previous medical conditions, and sexual behaviours. First-pass urine and cervical swabs were tested using nucleic acid amplification testing. We calculated the prevalence in each population and subgroup by age, education, and age at first sex. Multivariable binomial regression models were used to identify factors associated with CT. Results We recruited 881 pregnant women, 595 gynaecology clinic attendees, and 254 subfertile women. The prevalence of CT was 6.7% (95% Confidence Interval (CI): 5.2%-8.5%), 8.2% (95%CI: 6.2%-10.7%), 5.9% (95%CI: 3.5%-9.3%) for the above three populations, respectively. The subgroup-specific prevalence was highest among those who had the first sex before 25 years and older pregnant women (>35 years). The proportion of asymptomatic CT was 84.8%, 40.0%, and 60.0% among pregnant women, gynaecology clinic attendees, and subfertile women, respectively. Age at first sex (<25 years), multipara, and ever having more than one partner increased the risk of CT. Conclusion Childbearing age women in China have a high prevalence of CT. As most women with CT were asymptomatic, more optimum prevention strategies are urgently needed in China. | - |
dc.language | eng | - |
dc.publisher | Oxford University Press (OUP): Policy C. The Journal's web site is located at http://ofid.oxfordjournals.org/ | - |
dc.relation.ispartof | Open Forum Infectious Diseases | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Chlamydia trachomatis | - |
dc.subject | epidemiology | - |
dc.subject | pregnancy | - |
dc.subject | prevalence | - |
dc.subject | STI | - |
dc.title | Prevalence of Chlamydia Trachomatis among Pregnant Women, Gynecology Clinic Attendees, and Subfertile Women in Guangdong, China: A Cross-sectional Survey | - |
dc.type | Article | - |
dc.identifier.email | Ho, HC: hcho21@hku.hk | - |
dc.identifier.authority | Ho, HC=rp02482 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1093/ofid/ofab206 | - |
dc.identifier.pmid | 34235228 | - |
dc.identifier.pmcid | PMC8253043 | - |
dc.identifier.scopus | eid_2-s2.0-85117402376 | - |
dc.identifier.hkuros | 322554 | - |
dc.identifier.volume | 8 | - |
dc.identifier.issue | 6 | - |
dc.identifier.spage | article no. ofab206 | - |
dc.identifier.epage | article no. ofab206 | - |
dc.identifier.isi | WOS:000715364900024 | - |
dc.publisher.place | United Kingdom | - |