Chlamydial and Gonococcal Testing during Pregnancy in the United States

American Journal of Obstetrics and Gynecology, 05/04/2012

Many pregnant women are not tested for Chlamydia trachomatis and Neisseria gonorrhoeae despite recommendations to test. Follow–up testing to monitor the effectiveness of treatment is also not always performed.


  • Authors extracted laboratory results for 1,293,423 pregnant women tested over a three–year period.


  • During pregnancy, 59% (761,315/1,293,423) and 57% (730,796/1,293,423) women were tested at least once forC. trachomatis or for N. gonorrhoeae, respectively.
  • Of those women tested, 3.5% (26,437/761,315) and 0.6% (4,605/730,796) tested positive for chlamydial and gonococcal infection, respectively, at least once during pregnancy.
  • Of those women initially positive for the given infection, 78.3% (16,039/20,489) and 75.6% (2,610/3,435) were retested, of whom 6.0% (969/16,039) and 3.8% (100/2,610) were positive on their last prenatal test for C. trachomatis and N. gonorrhoeae, respectively.

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