Objective:To investigate the incidence of gestational diabetes mellitus (GDM) in mobile population in Shenzhen, and to analyze those factors related to glucose metabolism. Methods:From January 2012 to June 2013, there were 850 pregnant women receiving prenatal check-up in our Department of obstetrics. The oral 75 g glucose tolerance test (OGTT) was conducted. Results:The incidence of GDM diagnosed by OGTT was 9.65%in Shenzhen area. Those pregnant women with risk factors, such as ageing over 35 years, abnormal labor history, repeated positive glycosuria, body weight>75 kg before pregnancy, BMI≥25 kg/m2, macrosomia, positive HBsAg, three or more times of pregnancy, had higher rate of positive OGTT (P<0.01). Conclusions:All pregnant women should be asked OGTT test. The new diagnostic criteria of GDM is great benefit to diagnosis of GDM. Those pregnant women with high risk factors should be carefully follow-up visited.%目的：探讨深圳地区流动人口妊娠期糖尿病（GDM）的检出率及影响其糖代谢异常的相关因素。方法：对2012年1月-2013年6月在观澜人民医院产科门诊定期产检的850例妊娠妇女进行75 g口服葡萄糖耐量试验（OGTT）。结果：850例妊娠妇女中GDM的检出率为9.65%；与无高危因素妇女相比，年龄≥35岁、异常分娩史、反复尿糖阳性、妊娠前体质量＞75 kg、体质量指数（BMI）≥25 kg/m2、巨大儿、携带HBsAg、妊娠≥3次的妇女妊娠期糖耐量异常的检出率升高，差异有统计学意义（P＜0.01）。结论：对所有妊娠期妇女进行75 g OGTT、采用GDM新诊断标准后，其诊断率升高，对伴有高危因素的妊娠妇女应重点监测。
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