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本文用套式PCR法，对109例新生儿咽拭子进行沙眼衣原体（CT）、肺炎衣原体（CP）DNA检测，其中38例为自然分娩，71例为剖宫产。结果：CT阳性率为11．1％（12／109），CP阳性为6．4％（7／109）。自然分娩者中CT阳性率15．8％（6／38）、CP阳性率2．6％（1／38）；剖宫产者中，CT阳性率8．5％（6／71）、CP阳性率8．5％（6／71），两组CT、CP检出率差异均无显著性（P＞0．05）。CT阳性的新生儿出生体重2675±600g，Apgar评分8．2±1．0分与CT阴性组比较差异均有显著性（P＜0．05），提示：新生儿衣原体感染不仅来自产道，还来自宫内感染。新生儿低出生体重与Apgar评分与宫内CT感染有关。
In this study, nested PCR was used to detect CT and CP DNA in 109 neonates with throat swabs, of which 38 were spontaneous and 71 were cesarean. Results: The positive rate of CT was 11.1% (12/109) and the positive rate of CP was 6.4% (7/109). The positive rate of CT in natural childbirth was 15.8% (6/38) and the positive rate of CP was 2.6% (1/38). The positive rate of CT in cesarean section was 8.5% (6/71), CP The positive rate was 8.5% (6/71). There was no significant difference in the detection rates of CT and CP between the two groups (P> 0.05). The birth weight of newborns with CT was 2675 ± 600g, the Apgar score of 8.2 ± 1.0 was significantly lower than that of CT negative group (P <0.05), suggesting that chlamydial infection in neonates not only came from the birth canal but also From intrauterine infection. Neonatal low birth weight and Apgar score and intrauterine CT infection.