Objective: To investigate the association of periodontal diseases in pregnant women with preterm birth and low birth weight. Methods: 213 pregnant women aged 22-40 years were enrolled while receiving periodontal examination by 26 weeks of gestation. Periodontal measurements included plaque index(PLI),bleeding on probing (BOP),probing pocket depth(PD) and clinical attachment loss(CAL) were used as the criteria to classify the groups: healthy group(HG; n = 63),gingivitis group(GG; n = 74) and periodontitis group(PG; n = 76). At delivery,birth date and birth weight were recorded. Results: Preterm birth ratio in PG group is higher than that in HG group and GG group(P ＜ 0. 05). Conclusion: Periodontal disease may lead to preterm birth in pregnant women.%目的: 探讨孕妇牙周病与早产和低出生体重儿之间的相关性.方法: 收集年龄在22 ～ 40岁的孕妇213例,在孕期26周前做系统牙周检查,检测菌斑、探诊出血指数、探诊深度和临床附着丧失,将受试者分为3组: 健康组63例、牙龈炎组74例、牙周炎组76例.追踪观察至其分娩,并记录生产时间和新生儿体重.结果: 孕妇牙周病早产发生率和低体重率均显著高于健康组(P ＜ 0. 05).结论: 孕妇牙周病与早产之间存在相关性.
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