Chlamydia trachomatis infection during pregnancy

　　Chlamydia trachomatis can cause not only trachoma, but also genitourinary infections, and is one of the most common sexually transmitted diseases. The positive rate of cervical Chlamydia trachomatis in pregnant women in China is 13%-26%, accounting for the first of the major sexually transmitted diseases during pregnancy.　　Chlamydia trachomatis infection during pregnancy can cause cervicitis, urethritis, tubitis, and about 80% of pregnant women are asymptomatic, but can cause miscarriage, premature rupture of membranes, preterm birth, and neonatal conjunctivitis and pneumonia.　　Treatment of Chlamydia trachomatis infection during pregnancy】 Treatment principles: early diagnosis, early treatment; timely, adequate and regular treatment; different treatment plans for different conditions.　　First, pregnancy should be actively treated to prevent conjunctivitis and chlamydial pneumonia in newborns delivered through the vagina.　　1, pregnant women should take cervical secretions for screening Chlamydia trachomatis at the first visit, and then again before delivery.　　2.Sexual partners should be treated at the same time.　　3.Erythromycin 500mg, 4/d, 7d, or hydroxybenzyl penicillin 500mg, 3/d, 7d. The CDC now recommends azithromycin 1.0g for pregnant women, which is effective and safe.　　Second, neonatal Chlamydia trachomatis conjunctivitis can be treated locally with erythromycin ophthalmic ointment, but it is best to carry out systemic treatment to prevent further infection of the nasopharynx with Chlamydia trachomatis in the ear or lungs.　　Precautions in treatment] I. Infection without symptoms or mild symptoms can be considered as carriers and should receive regular treatment.　　Second, tetracycline and quinolones are prohibited for pregnant women.