The Chlamydia Trachomatis Antibody (IgM) (CHLAG) Test detects IgM antibodies in your blood, signaling a recent or active Chlamydia trachomatis infection, a common bacterial sexually transmitted infection (STI) affecting genitals, eyes, and respiratory tract. This test is vital for early diagnosis, especially if symptoms (like discharge, painful urination) are present or suspected after unprotected sex, helping prevent serious complications such as infertility, ectopic pregnancy, or neonatal issues, and guiding timely antibiotic treatment