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采用酶联免疫吸附试验（ＥＬＩＳＡ）和聚合酶链反应（ＰＣＲ）两种方法对４０例宫外孕患者血清中沙眼衣原体特异性ＩｇＧ抗体及宫颈分泌物中沙眼衣原体ＤＮＡ进行了检测。结果表明：宫外孕患者沙眼衣原体抗体阳性３３例（８２５％），ＰＣＲ法检测沙眼衣原体ＤＮＡ阳性１６例（４００％），其中１例沙眼衣原体抗体阴性而ＰＣＲ法阳性。另外，宫外孕患者与非淋菌性阴道炎患者沙眼衣原体感染的阳性率比较两种方法均无显著性差异（Ｐ＞００１）。因此，沙眼衣原体感染是宫外孕发生的主要病原体之一。
Enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction (PCR) were used to detect Chlamydia trachomatis-specific IgG antibodies and Chlamydia trachomatis DNA in cervical secretions from 40 patients with ectopic pregnancy. The results showed that 33 (82.5%) were positive for Chlamydia trachomatis in ectopic pregnancy, and 16 (40.0%) were positive for Chlamydia trachomatis DNA by PCR. One was negative for Chlamydia trachomatis and the other was PCR positive. In addition, the positive rate of Chlamydia trachomatis infection in patients with ectopic pregnancy and non-gonococcal vaginitis were no significant difference between the two methods (P> 0 01). Therefore, Chlamydia trachomatis infection is one of the major pathogens of ectopic pregnancy.