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妊娠中晚期大量增加雌三醇是胎儿——胎盘单位共同产生的,因此,尿E_3/c比值即能代表胎盘功能,又可反映胎儿在宫内的生长发育情况,是一项较好的产前监测方法。尿E_3/C比值>10mg/g 提示胎盘功能好,胎儿发育正常,<10mg/g,提示胎盘功能不良,胎儿发育差,并对临床诊断的各种妊娠453例尿E_3/C比值作了分析。结果表明:在正常妊娠中(孕39—40周),绝大多数比值>10,是胎盘功能最佳时期,一些异常妊娠比值<10,说明胎盘功能低下,两者比较P<0.01差异有显著意义。对于过期妊娠和一些异常妊娠可参考测定值,决定处理原则。
The large amount of estriol during the second trimester is produced by the fetus-placenta. Therefore, the urinary E_3 / c ratio can represent the function of the placenta, and can also reflect the growth and development of the fetus in the uterus. It is a good product Pre-monitoring method. Urinary E_3 / C ratio> 10mg / g, suggesting that placental function is good, normal fetal development, <10mg / g, suggesting poor placental function, poor fetal development, and clinical diagnosis of 453 cases of pregnancy urine E_3 / C ratio was analyzed . The results showed that in the normal pregnancy (39-40 weeks pregnant), the vast majority of the ratio> 10, is the best period of placental function, some abnormal pregnancy ratio <10, indicating placental dysfunction, both P <0.01 difference was significant significance. For outdated pregnancy and some abnormal pregnancy can refer to the measured value, determine the principle of treatment.