Chlamydia and associated factors in an under 20s antenatal population

Kate Cheney1, Lynne Wray

  • 1Royal Prince Alfred Women and Babies, Sydney, New South Wales, Australia. kate.cheney@email.cs.nsw.gov.au

Insights

Genital chlamydia trachomatis infection is prevalent in young pregnant women, with a 13.7% infection rate observed in women aged 20 and under. Young age is the primary risk factor, supporting universal screening for pregnant women up to age 25.

Area of Science:

  • Reproductive Health
  • Infectious Diseases
  • Obstetrics & Gynecology

Background:

  • Genital Chlamydia trachomatis infections in pregnancy are linked to adverse outcomes like premature rupture of membranes, postpartum endometritis, and neonatal conjunctivitis/pneumonitis.
  • Identifying risk factors for chlamydial infection during pregnancy can inform targeted screening strategies.
  • Currently, no national screening strategy exists for genital Chlamydia trachomatis in pregnant populations.

Purpose of the Study:

  • To determine the prevalence of genital Chlamydia trachomatis infection in pregnant women aged 20 years or younger.
  • To identify associated risk factors for chlamydial infection in this demographic.
  • To provide evidence supporting updated chlamydia screening recommendations in pregnancy.

Main Methods:

  • A retrospective review of medical records was conducted for young women (≤20 years) attending antenatal care.
  • Screening for C. trachomatis was routinely offered and data on demographics and sexual history were extracted.
  • The study period spanned from January 2003 to June 2006 at RPA Women and Babies Young Parents Clinic.

Main Results:

  • Of 365 eligible pregnant women, 212 were screened for genital C. trachomatis.
  • A significant infection rate of 13.7% was identified in this cohort.
  • Young maternal age was identified as the most critical risk factor for infection.

Conclusions:

  • The high prevalence (13.7%) of chlamydia infection in pregnant women aged 20 and under underscores the need for targeted screening.
  • Young maternal age is the predominant risk factor for genital chlamydia infection during pregnancy.
  • These findings support recommendations for universal screening of pregnant women up to 25 years of age for C. trachomatis.
Abstract

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