Abstract
Objectives
We conducted a meta-analysis to determine the association between Chlamydia trachomatis and adverse perinatal outcomes.
Methods
Electronic databases were searched between 1970 and 2013. Included studies reported perinatal outcomes in women with and without chlamydia. Summary odds ratios were calculated using fixed- and random-effects models. Study bias was assessed using a Funnel Plot and Begg’s test.
Results
Of 129 articles identified, 56 studies met the inclusion criteria encompassing 614,892 subjects. Chlamydia infection in pregnancy was associated with preterm birth (OR = 1.27, 95% CI 1.05, 1.54) with a large quantity of heterogeneity (I2 = 61%). This association lost significance when limiting the analysis to high-quality studies based on the Newcastle–Ottawa Scale. Chlamydia infection in pregnancy was also associated with preterm premature rupture of membranes (OR = 1.81, 95% CI 1.0, 3.29), endometritis (OR 1.69, 95% CI 1.20, 2.38), low birthweight (OR 1.34, 95% CI 1.21, 1.48), small for gestational age (OR 1.14, 95% CI 1.05, 1.25) and intrauterine fetal demise (OR 1.44, 95% CI 1.06, 1.94).
Conclusions
This review provides evidence that chlamydia in pregnancy is associated with a small increase in the odds of multiple adverse pregnancy outcomes. The literature is complicated by heterogeneity and the fact that the association may not hold in higher quality and prospective studies or those that use more contemporary nucleic acid testing.
Similar content being viewed by others
References
Alger, L. S., Lovchik, J. C., Hebel, J. R., Blackmon, L. R., & Crenshaw, M. C. (1988). The association of Chlamydia trachomatis, Neisseria gonorrhoeae, and group B streptococci with preterm rupture of the membranes and pregnancy outcome. American Journal of Obstetrics and Gynecology, 159(2), 397–404.
American Academy of Pediatrics and American College of Obstetricians and Gynecologists. (2012). Guidelines for perinatal care (7th edn.). Elk Grove Village, IL: American Academy of Pediatrics; Washington, DC: American College of Obstetricians and Gynecologists.
Andrews, W. W., Goldenberg, R. L., Hauth, J. C., Cliver, S. P., Connor, M., & Goepfert, A. R. (2005). Endometrial microbial colonization and plasma cell endometritis after spontaneous or indicated preterm versus term delivery. American Journal of Obstetrics and Gynecology, 193, 739–745.
Andrews, W. W., Goldenberg, R. L., Mercer, B., Iams, J., Meis, P., Moawad, A., et al. (2000). The Preterm Prediction Study: Association of second-trimester genitourinary chlamydia infection with subsequent spontaneous preterm birth. American Journal of Obstetrics and Gynecology, 183(3), 662–668.
Andrews, W. W., Klebanoff, M. A., Thom, E. A., Hauth, J. C., Carey, J. C., Meis, P. J., et al. (2006). Midpregnancy genitourinary tract infection with Chlamydia trachomatis: Association with subsequent preterm delivery in women with bacterial vaginosis and Trichomonas vaginalis. American Journal of Obstetrics and Gynecology, 194, 493–500.
Berman, S. M., Harrison, R., Boyce, W. T., Haffner, W. J. J., Lewis, M., & Arthur, J. B. (1987). Low birth weight, prematurity and postpartum endometritis: Association with prenatal cervical Mycoplasma hominis and Chlamydia trachomatis infections. Journal of the American Medical Association, 257(9), 1189–1194.
Black-Payne, C., Ahrabi, M. M., Bocchini, J. A., Ridenour, C. R., & Brouillette, R. M. (1990). Treatment of Chlamydia trachomatis identified with chlamydiazyme during pregnancy: impact on perinatal complication and infants. Journal of Reproductive Medicine, 35(4), 362–367.
Blas, M. M., Canchihuaman, F. A., Alva, I. E., & Hawes, S. E. (2007). Pregnancy outcomes in women infected with Chlamydia trachomatis: A population-based cohort study in Washington State. Sexually Transmitted Infections, 83, 314–318.
Boyce, W. T., Schaefer, C., Harrison, H. R., Haffner, W. H. J., Lewis, M., & Wright, A. L. (1989). Sociocultural factors in puerperal infectious morbidity among Navajo women. American Journal of Epidemiology, 129(3), 604–615.
Brocklehurst, P., & Rooney, G. (1998). Interventions for treating genital Chlamydia trachomatis infection in pregnancy. Cochrane Database of Systematic Reviews, 4. Art. No.: CD000054. https://doi.org/10.1002/14651858.CD000054.
Centers for Disease Control and Prevention. (2015). 2015 Sexually transmitted disease surveillance. Chlamydia profiles. Retrieved October 2017, from http://www.cdc.gov/std/stats15/chlamydia.htm.
Chen, M. Y., Fairley, C. K., De Guingand, D., Hocking, J., Tabrizi, S., Wallace, E. M., et al. (2009). Screening pregnant women for chlamydia: What are the predictors of infection? Sexually Transmitted Infections, 85, 3–35.
Claman, P., Toye, B., Peeling, R. W., Jessamine, P., & Belcher, J. (1995). Serologic evidence of Chlamydia trachomatis infection and risk of preterm birth. Canadian Medical Association Journal, 153(3), 259–262.
Cohen, I., Tenenbaum, E., Fejgin, M., Altaras, M., Ben-Aderet, N., & Sarov, I. (1988). Serum-specific antibodies for Chlamydia trachomatis in premature contractions. American Journal of Obstetrics and Gynecology, 158(3), 579–582.
Cohen, I., Tenenbaum, E., Fejgin, M., Michaeli, G., Beyth, Y., & Sarov, I. (1990a). Serum-specific antibodies for Chlamydia trachomatis in preterm premature rupture of the membranes. Gynecologic and Obstetric Investigation, 30, 155–158.
Cohen, I., Veille, J. C., & Calkins, B. M. (1990b). Improved pregnancy outcome following successful treatment of chlamydial infection. Journal of the American Medical Association, 263(23), 3160–3163.
Donders, G. G. G., Desmyter, J., De Wet, D. H., & Van Assche, F. A. (1993). The association of gonorrhea and syphilis with premature birth and low birthweight. Genitourinary Medicine, 69, 98–101.
Ekwo, E. E., Gosselink, C. A., Woolson, R., & Moawad, A. (1993). Risks for premature rupture of amniotic membranes. International Journal of Epidemiology, 22(3), 495–503.
El-Shourbagy, M., Abd-El-Maeboud, K., Diab, K. M., El-Ghannam, A., Nabegh, L., & Ammar, S. (1996). Genital Chlamydia trachomatis infection in Egyptian women: Incidence among different clinical risk groups. Journal of Obstetrics and Gynaecology Research, 22(5), 467–472.
Feingold, M., Thomas, G. B., Sbarra, A., Selvaraj, R. J., Newton, E. R., & Cetrulo, C. L. (1988). Significance of Chlamydia trachomatis infection during pregnancy. Israel Journal of Medical Sciences, 24, 109–111.
FitzSimmons, J., Shanahan, C. C., B., & Jungkind, D. (1986). Chlamydial infections in pregnancy. Journal of Reproductive Medicine, 31(1), 19–22.
Genc, M. R. (2002). Treatment of genital Chlamydia trachomatis infection in pregnancy. Best Practice and Research Clinical Obstetrics and Gynaecology, 16(6), 913–922.
Gencay, M., Koskiniemi, M., Ammala, P., Fellman, V., Narvanen, A., Wahlstrom, T., et al. (2000). Chlamydia trachomatis seropositivity is associated both with stillbirth and preterm delivery. Acta Pathologica, Microbiologica et Immunologica Scandinavica, 108, 584–588.
Gencay, M., Koskiniemi, M., Saikku, P., Puolakkainen, M., Raivio, K., Koskela, P., et al. (1995). Chlamydia trachomatis seropositivity during pregnancy is associated with perinatal complications. Clinical Infectious Diseases, 21, 424–426.
Gibbs, R. S., & Schachter, J. (1987). Chlamydial serology in patients with intra-amniotic infection and controls. Sexually Transmitted Diseases, 14(4), 213–215.
Goldenberg, R. L., Culhane, J. F., Iams, J. D., & Romero, R. (2008). Epidemiology and causes of preterm birth. Lancet, 371(9606), 75–84.
Gravett, M. G., Nelson, H. P., DeRouen, T., Critchlow, C., Eschenbach, D. A., & Holmes, K. K. (1986). Independent associations of bacterial vaginosis and Chlamydia trachomatis infection with adverse pregnancy outcome. Journal of the American Medical Association, 256(14), 1899–1903.
Hardy, P. H., Nell, E. E., Spence, M. R., Hardy, J. B., Graham, D. A., & Rosenbaum, R. C. (1984). Prevalence of six sexually transmitted disease agents among pregnant inner-city adolescents and pregnancy outcome. Lancet, 324(8398), 333–337.
Harrison, H. R., Alexander, E. R., Weinstein, L., Lewis, M., Nash, M., & Sim, D. A. (1983). Cervical Chlamydia trachomatis and Mycoplasma infections in pregnancy. Journal of the American Medical Association, 250(13), 1721–1727.
Heggie, A. D., Lumicao, G. G., Stuart, L. A., & Gyves, M. T. (1981). Chlamydia trachomatis infection in mothers and infants. American Journal of Diseases of Children, 135, 507–511.
Hitti, J., Garcia, P., Totten, P., Paul, K., Astete, S., & Holmes, K. K. (2010). Correlates of cervical Mycoplasma genitalium and risk of preterm birth among Peruvian women. Sexually Transmitted Diseases, 37(2), 81–85.
Hollegaard, S., Vogel, I., Thorsen, P., Jensen, I. P., Mordhorst, C. H., & Jeune, B. (2007). Chlamydia trachomatis C-complex serovars are a risk factor for preterm birth. In Vivo, 21, 107–112.
Ismail, M. A., Chandler, A. E., Been, M. O., & Moawad, A. H. (1985). Chlamydial colonization of the cervix in pregnant adolescents. Journal of Reproductive Medicine, 30(7), 549–553.
Ismail, M. A., Pridjian, G., Hibbard, J. U., Harth, C., & Moawad, A. A. (1992). Significance of positive cervical cultures for Chlamydia trachomatis in patients with preterm premature rupture of membranes. American Journal of Perinatology, 9(5/6), 368–370.
Jain, A., Nag, V. L., Goel, M. M., & Chandrawati, U. C. (1991). Adverse foetal outcome in specific IgM positive Chlamydia trachomatis infection in pregnancy. Indian Journal of Medical Research, 94, 420–423.
Johnson, H. L., Ghanem, K. G., Zenilman, J. M., & Erbelding, E. J. (2011). Sexually transmitted infections and adverse pregnancy outcomes among women attending inner city public sexually transmitted diseases clinics. Sexually Transmitted Diseases, 38, 167–171.
Karinen, L., Pouta, A., Bloigu, A., Koskela, P., Paldanius, M., Leinonen, M., et al. (2005). Serum C-reactive protein and Chlamydia trachomatis antibodies in preterm delivery. Obstetrics and Gynecology, 106(1), 73–80.
Kataoka, S., Yamada, T., Chou, K., Nishida, R., Morikawa, M., Minami, M., et al. (2006). Association between preterm birth and vaginal colonization by mycoplasmas in early pregnancy. Journal of Clinical Microbiology, 44(1), 51–55.
Kovacs, L., Nagy, E., Berbik, I., Meszaros, G., Deak, J., & Nyari, T. (1998). The frequency and role of Chlamydia trachomatis infection in premature labor. International Journal of Gynaecology and Obstetrics, 62, 47–54.
Liu, B., Roberts, C. L., Clarke, M., Jorm, L., Hunt, J., & Ward, J. (2013). Chlamydia and gonorrhoea infections and the risk of adverse obstetric outcomes: A retrospective cohort study. Sexually Transmitted Infections. Published Online First: 4 September 2013. https://doi.org/10.1136/sextrans-2013-051118.
Martin, D. H., Koutsky, L., Eschenbach, D. A., Daling, J. R., Alexander, E. R., Benedetti, J. K., et al. (1982). Prematurity and perinatal mortality in pregnancies complicated by maternal Chlamydia trachomatis infections. Journal of the American Medical Association, 247(11), 1585–1589.
Martius, J., Krohn, M. A., Hillier, S. L., Stamm, W. E., Holmes, K. K., & Eschenbach, D. A. (1988). Relationships of vaginal Lactobacillus species, cervical Chlamydia trachomatis, and bacterial vaginosis to preterm birth. Obstetrics and Gynecology, 71(1), 89–95.
Medina, M., Moya, W., Hidalgo, L., Calle, A., Teran, E., & Chedraui, P. (2009). Molecular identification of endocervical Chlamydia trachomatis infection among gestational at risk for preterm birth in Ecuador. Archives of Gynecology and Obstetrics, 279, 9–10.
Moher, D., Liberati, A., Tetzlaff, J., & Altman, D. G. (2009). Preferred reporting items for systematic reviews and meta-analyses: The PRISMA statement. British Medical Journal, 339, b2535. https://doi.org/10.1136/bmj.b2535.
Nadisauskiene, R., Bergstrom, S., Stankeviciene, I., & Spukaite, T. (1995). Endocervical pathogens in women with preterm and term labour. Gynecologic and Obstetric Investigation, 40(3), 179–182.
Ngassa, P. C., & Egbe, J. A. (1994). Maternal genital Chlamydia trachomatis infection and the risk of preterm labor. International Journal of Gynaecology and Obstetrics, 47, 241–246.
Nyari, T. A., Woodward, M., Meszaros, G., Karsai, J., & Kovacs, L. (2001). Chlamydia trachomatis infection and the risk of perinatal mortality in Hungary. Journal of Perinatal Medicine, 29(1), 55–59.
Oakeshott, P., Hay, P., Hay, S., Steinke, F., Rink, E., & Kerry, S. (2002). Association between bacterial vaginosis or chlamydial infection and miscarriage before 16 weeks’ gestation: Prospective community based cohort study. British Medical Journal, 325(7376), 1334–1336A.
Pakianathan, M. R., Ross, J. D., & McMillan, A. (1996). Characterizing patients with multiple sexually acquired infections: A multivariate analysis. International Journal of STD and AIDS, 7(5), 359–361.
Paul, V. K., Singh, M., Gupta, U., Buckshee, K., Bhargava, V. L., Takkar, D., et al. (1999). Chlamydia trachomatis infection among pregnant women: Prevalence and prenatal importance. National Medical Journal of India, 12(1), 11–14.
Pitsouni, E., Iavazzo, C., Athanasiou, S., & Falagas, M. E. (2007). Single-dose azithromycin versus erythromycin or amoxicillin for Chlamydia trachomatis infection during pregnancy: A meta-analysis of randomized controlled trials. International Journal of Antimicrobial Agents, 30(3), 213–221.
Polk, B. F., Berlin, L., Kanchanaraksa, S., Munoz, A., Kramer, F., Spence, M., et al. (1989). Investigators of the Johns Hopkins study of cervicitis and adverse pregnancy outcome. Association of Chlamydia trachomatis and Mycoplasma hominis with intrauterine growth retardation preterm delivery. American Journal of Epidemiology, 129(6), 1247–1257.
Preece, P. M., Ades, A., Thompson, R. G., & Brooks, J. H. (1989). Chlamydia trachomatis infection in late pregnancy: A prospective study. Paediatric and Perinatal Epidemiology, 3, 268–277.
Rastogi, S., Das, B., Salhan, S., & Mittal, A. (2003). Effect of treatment for Chlamydia trachomatis during pregnancy. International Journal of Gynaecology and Obstetrics, 80, 129–137.
Rours, G. I. J. G., de Krijger, R. R., Ott, A., Willemse, H. F. M., de Groot, R., Zimmermann, L. J. I., et al. (2011a). Chlamydia trachomatis and placental inflammation in early preterm delivery. European Journal of Epidemiology, 26, 421–428.
Rours, G. I. J. G., Duijts, L., Moll, H. A., Arends, L. R., de Groot, R., Jaddoe, V. W., et al. (2011b). Chlamydia trachomatis infection during pregnancy associated with preterm delivery: A population-based prospective cohort study. European Journal of Epidemiology, 26, 493–502.
Ryan, G. M., Abdella, T. N., McNeeley, S. G., Baselski, V. S., & Drummond, D. E. (1990). Chlamydia trachomatis infection in pregnancy and effect of treatment on outcome. American Journal of Obstetrics and Gynecology, 162, 34–39.
Silva, M. J., Florencio, G. L., Gabiatti, J. R., Amaral, R. L., Junior, E., J., & Goncalves, A. K. (2011). Perinatal morbidity and mortality associated with chlamydial infection: A meta-analysis study. Brazilian Journal of Infectious Diseases, 15(6), 533–539.
Silveira, M. F., Ghanem, K. G., Erbelding, E. J., Burke, A. E., Johnson, H. L., Singh, R. H., et al. (2009). Chlamydia trachomatis infection during pregnancy and the risk of preterm birth: A case–control study. International Journal of STD and AIDS, 20, 465–469.
Skjeldestad, F. E., & Dalen, A. (1986). The prevalence of Chlamydia trachomatis in the cervix of puerperal women, and its consequences for the outcome of pregnancy. Scandinavian Journal of Primary Health Care, 4, 209–212.
Stroup, D. F., Berlin, J. A., Morton, S. C., Olkin, I., Williamson, G. D., Rennie, D., et al. (2000). Meta-analysis of observational studies in epidemiology: A proposal for reporting. Meta-analysis Of Observational Studies in Epidemiology (MOOSE) Group. Journal of the American Medical Association, 283(15), 2008–2012.
Sweet, R. L., Landers, D. V., Walker, C., & Schachter, J. (1987). Chlamydia trachomatis infection and pregnancy outcome. American Journal of Obstetrics and Gynecology, 156(4), 824–833.
Tadmor, O. P., Shaia, M., Rosenman, H., Livshin, Y., Choukroun, C., Barr, I., et al. (1993). Pregnancy outcome in serologically indicated active Chlamydia trachomatis infection. Israel Journal of Medical Sciences, 29, 280–284.
Tikkanen, M., Surcel, H. M., Bloigu, A., Nuutila, M., Hiilesmaa, V., Ylikorkala, O., et al. (2008). Prediction of placental abruption by testing for C-reactive protein and chlamydial antibody levels in early pregnancy. British Journal of Obstetrics and Gynaecology, 116, 486–491.
Turrentine, M. A., & Newton, E. R. (1995). Amoxicillin or erythromycin for the treatment of antenatal chlamydial infection: A meta-analysis. Obstetrics and Gynecology, 86(6), 1021–1025.
Ville, Y., Carroll, S. G., Watts, P., Ward, M., & Nicolaides, K. H. (1997). Chlamydia trachomatis infection in prelabour amniorrhexis. British Journal of Obstetrics and Gynaecology, 104, 1091–1093.
Wager, G. P., Martin, D. H., Koutsky, L., Eschenbach, D. A., Daling, J. R., Chiang, W. T., et al. (1980). Puerperal infectious morbidity: Relationship to route of delivery and to antepartum Chlamydia trachomatis infection. American Journal of Obstetrics and Gynecology, 138(7), 1028–1033.
Waight, M. T., Rahman, M. M., Soto, P., & Tran, T. (2013). Sexually transmitted diseases during pregnancy in Louisiana, 2007–2009: High-risk populations and adverse newborn outcomes. Journal of Louisiana State Medical Society, 165, 219–226.
Wells, G. A., Shea, B., O’Connell, D., Peterson, J., Welch, V., Losos, M., et al. (2014). The Newcastle–Ottawa Scale (NOS) for assessing the quality of nonrandomized studies in meta-analyses. Retrieved August 2014, from http://www.ohri.ca/programs/clinical_epidemiology/oxford.asp.
Acknowledgements
We would like to acknowledge reference librarian Angela Dixon for her assistance with the development of the search strategy.
Funding
The authors received no funding for the completion of this systematic review.
Author information
Authors and Affiliations
Contributions
COC and KB conducted the systematic review and extracted the data. DNH conducted the statistical analyses. COC and DNH drafted the article and all authors contributed, read and approved the final manuscript. COC, KB and DNH had full access to all the data in the study and had final responsibility for the decision to submit to publication.
Corresponding author
Ethics declarations
Conflict of Interest
The authors declare that they have no conflicts of interest.
Ethical Approval
Not applicable as this is a systematic review of prior studies with no direct collection of patient data.
Rights and permissions
About this article
Cite this article
Olson-Chen, C., Balaram, K. & Hackney, D.N. Chlamydia trachomatis and Adverse Pregnancy Outcomes: Meta-analysis of Patients With and Without Infection. Matern Child Health J 22, 812–821 (2018). https://doi.org/10.1007/s10995-018-2451-z
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10995-018-2451-z