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Chlamydia trachomatis IgG3 seropositivity is associated with gastroschisis
  • Published Date:
    Sep 17 2015
  • Source:
    J Perinatol. 35(11):930-934.
Filetype[PDF-586.41 KB]

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  • Description:

    To investigate the association between Chlamydia trachomatis (CT) infection seropositivity and gastroschisis.

    Study Design

    In this case-control study we enrolled pregnant women either prenatally diagnosed with gastroschisis (cases, n=33) or with a normal ultrasound (controls, n=66). Both groups attended the University of Utah's Maternal Fetal Medicine Diagnostic Center for their diagnostic ultrasound or because of a community obstetrician referral. Participants completed a structured interview on potential risk factors. Anti-CT IgG1 and IgG3 were measured by a CT elementary body ELISA.


    Median age at sexual debut was lower and reported sexual partner number higher in cases compared to controls. Risk factors for gastroschisis included having ≥3 sexual partners (OR=3.3, 95% CI 1.2, 9.4), change in partner from the previous pregnancy (OR=3.6, 95% CI 0.9, 13.9), and anti-CT IgG3 seropositivity (age-adjusted OR=3.9, 95% CI: 1.1, 13.2).


    Anti-CT IgG3 seropositivity was associated with greater than a 3-fold risk for gastroschisis.

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