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Low, N., Egger, M., Sterne, J.A., Harboral, R.M., Ibrahim, F., Lindborn, B. and Hermann, B. (2006) Incidence of Severe Reproductive Tract Complications Associated with Diagnosed Genital Chlamydial Infection: The Uppsala Women’s Cohort Study. Sexually Transmitted Infections, 82, 2212-2218. http://dx.doi.org/10.1136/sti.2005.017186

has been cited by the following article:

• TITLE: The Association between Chlamydia Trachomatis and Ectopic Pregnancy in Lagos, Nigeria—A Case Control Study

  AUTHORS: A. A. Adewunmi, O. O. Orekoya, K. A. Rabiu, T. A. Ottun

  KEYWORDS: Chlamydia trachomatis, Ectopic Pregnancy, Seropositivity, Risk Factors

  JOURNAL NAME: Open Journal of Obstetrics and Gynecology, Vol.5 No.2, February 16, 2015

  ABSTRACT: Objectives: To determine the seropositivity of Chlamydia antibody in patients with ruptured ectopic pregnancy compared to normal pregnant women and the risk factors for ectopic pregnancy. Study Design: This was a prospective case-control study of 85 cases of ruptured ectopic pregnancy and 100 cases of second trimester on-going intrauterine pregnant controls presenting in Lagos State University Teaching Hospital (LASUTH) between September 2009 and March 2010. Study Site: This was at the gynaecological emergency room and antenatal clinic in the Department of Obstetrics and Gynaecology. Ethical approval was sought and granted by the ethics review committee of LASUTH. Study Participants: Patients presenting with ruptured ectopic pregnancy were recruited as cases while the controls were made up of those with uncomplicated second trimester intrauterine pregnancy. A semi-structured questionnaire containing socio-demographic and clinical characteristics was administered following informed consent. Five milliliters of venous blood was taken from each participant and tested forLymphogranuloma Venerum(LGV) type 2 broadly reacting antigen ofChlamydia trachomatis.Data Analysis: Data gathered from the case notes and laboratories were imputed into the computer and analyzed using the statistical packageEpi-Info 3.51, Atlanta, USA. Frequency tables were generated for continuous variables andchi-square analysis used to determine association between variables, with p values postabortal/puerperal sepsis (p = 0.013). The seropositivity ofChlamydia IgG (62.4%) in the cases was significantly higher than that of 29% in the control (p