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采用聚合酶链（ＰＣＲ）技术及酶联免疫法对５２例异位妊娠患者的宫颈及输卵管分泌物进行沙眼衣原体（ＣＴ）检测，并与对照组比较。结果（１）输卵管妊娠组宫颈ＣＴ阳性检出，酶联免疫法检出２５例（４８．１％），ＰＣＲ法检出２０例（３８．５％）；输卵管ＣＴ阳性酶联免疫法检出１８例（３４．６％），ＰＣＲ法检出１３例（２５．０％）。（２）对照组宫颈ＣＴ阳性检出，酶联免疫法检出７例（２５．０％），ＰＣＲ法检出４例（１４．３％）。输卵管妊娠组ＣＴ阳性检出率，酶联免疫法和ＰＣＲ法均明显高于对照组（Ｐ＜０．０５）。本组资料显示，生殖道ＣＴ感染与异位妊娠相关。
The cervical and tubal secretions from 52 cases of ectopic pregnancy were tested for C. trachomatis by polymerase chain reaction (PCR) and enzyme-linked immunosorbent assay (ELISA), and compared with the control group. Results (1) CT was positive in tubal pregnancy group, 25 cases (48.1%) were detected by enzyme-linked immunosorbent assay and 20 cases (38.5%) were detected by PCR. Tubal CT positive enzyme-linked immunosorbent assay 18 cases (34.6%), PCR detected 13 cases (25.0%). (2) Cervical CT was detected in the control group, 7 cases (25.0%) were detected by enzyme-linked immunosorbent assay and 4 cases (14.3%) by PCR. The positive rate of CT in tubal pregnancy group, enzyme-linked immunosorbent assay and PCR were significantly higher than those in control group (P <0.05). The data show that genital CT infection and ectopic pregnancy related.