The US Preventive Services Task Force (USPSTF) concludes that the current evidence is insufficient to assess the balance of benefits and harms of screening for chlamydial infection for men.

The USPSTF and American Academy of Family Physicians recommend annual screening of:[20][21]

  • women ages 24 years and younger when they become sexually active

  • older women who are at increased risk of infection.

In addition, the CDC recommends screening pregnant women at the first prenatal visit and in the third trimester if:[11]

  • they are under the age of 25 years

  • they are older and at increased risk of infection (such as women with a new or multiple sex partners).

The UK National Institute for Health and Care Excellence (NICE) does not recommend screening for chlamydia as part of routine prenatal care.[22]

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