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首页> 外文期刊>Journal of child neurology >Reference Range of Fetal Transverse Cerebellar Diameter Between 18 and 24 Weeks of Pregnancy in a Brazilian Population
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Reference Range of Fetal Transverse Cerebellar Diameter Between 18 and 24 Weeks of Pregnancy in a Brazilian Population

机译：巴西人群中怀孕18-24周之间的胎儿横向小脑直径参考范围

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To determine a reference range of fetal transverse cerebellar diameter in Brazilian population. This was a retrospective cross-sectional study with 3772 normal singleton pregnancies between 18 and 24 weeks of pregnancy. The transverse cerebellar diameter was measured on the axial plane of the fetal head at the level of the lateral ventricles, including the thalamus, cavum septum pellucidum, and third ventricle. To assess the correlation between transverse cerebellar diameter and gestational age, polynomial equations were calculated, with adjustments by the determination coefficient (R-2). The mean of fetal transverse cerebellar diameter ranged from 18.49 +/- 1.24 mm at 18 weeks to 25.86 +/- 1.66 mm at 24 weeks of pregnancy. We observed a good correlation between transverse cerebellar diameter and gestational age, which was best represented by a linear equation: transverse cerebellar diameter: -6.21 + 1.307*gestational age (R-2 = 0.707). We determined a reference range of fetal transverse cerebellar diameter for the second trimester of pregnancy in Brazilian population.
机译：确定巴西人群中胎儿横小脑直径的参考范围。这是一项回顾性横断面研究，在怀孕18-24周之间进行了3772例正常单胎妊娠。在小脑的水平方向上测量胎儿小脑的横向直径，包括丘脑，透明小室间隔和第三脑室。为了评估小脑横径与胎龄之间的相关性，计算了多项式方程式，并通过确定系数（R-2）进行了调整。胎儿横小脑的平均直径范围从怀孕18周的18.49 +/- 1.24 mm到怀孕24周的25.86 +/- 1.66 mm。我们观察到小脑横径与胎龄之间具有良好的相关性，这可以用线性方程式最好地表示：小脑横径：-6.21 + 1.307 *胎龄（R-2 = 0.707）。我们确定了巴西人群妊娠中期的胎儿横小脑直径的参考范围。

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