Every 3 to 6 months if at increased risk (i.e., MSM on PrEP, with HIV infection, or if they or their sex partners have multiple partners) 2.At least annually for sexually active MSM at sites of contact (urethra, rectum) regardless of condom use 2.There is insufficient evidence for screening among heterosexual men who are at low risk for infection, however, screening young men can be considered in high prevalence clinical settings (adolescent clinics, correctional facilities, STI/sexual health clinic) 1, 5.

Pregnant women with chlamydial infection should have a test of cure 4 weeks after treatment and be retested within 3 months 2.Retest during the 3rd trimester for women under 25 years of age or at risk 2.Pregnant women, 25 years of age and older if at increased risk (those who have a new sex partner, more than one sex partner, a sex partner with concurrent partners, or a sex partner who has an STI) 2.All pregnant women under 25 years of age 1.Rectal chlamydial testing can be considered in females based on reported sexual behaviors and exposure, through shared clinical decision between the patient and the provider 3,4.Retest approximately 3 months after treatment 2.Sexually active women 25 years of age and older if at increased risk (those who have a new sex partner, more than one sex partner, a sex partner with concurrent partners, or a sex partner who has an STI) 1.Sexually active women under 25 years of age 1.