To find out the correlation of fetal head and neck abnormality to chromosome disease through ultrasound screening survey.
通过超声筛查胎儿头颈部异常以找出其与染色体病的相关性。
Objective:To study the value of umbilical blood stream examination and descending test of fetal head on antenatal diagnosis of cord around neck and perinatal prognosis.
目的：探讨胎儿脐血流检测及胎头下降试验对脐带绕颈的诊断及预测其胎儿预后的价值。
Results:The incidence of cephalic presentation dystocia was 17.91%, among which abnormality direction of fetal head was the major cause of dystocia and the incidence was 76.84%.
结果：头位难产的发生率为17.91%，其中胎头方位异常占头位难产总数的76.84%，是发生难产的主要原因。
The duration of operation, difficulties in delivering fetal head, postoperative breaking wind, postoperative infection and postoperative morbidity of three groups were compared.
对其手术时间，娩头困难、术后排气、切口感染、术后病率进行比较。
Article 9 months early fetal head of the fetus is a half of fetal body.
第三个月第九周初胎儿的头部几占胎儿全长的二分之一。
Unit head circumference maximum and mean blood flow velocities per minute of fetal middle cerebral artery were changed little during the normal second trimester.
每分钟单位头围大脑中动脉的最大速度及平均速度在中孕期间变化小。
The hair rotations of 100 fetal corpses over Jiamusi District were observed and their positions, orientations, angles and intervals between head top and the hair rotation were discussed.
本文对佳木斯地区100例胎尸发旋的位置、方向、旋顶问距及角距正中角度进行了观测。
The hair rotations of 100 fetal corpses over Jiamusi District were observed and their positions, orientations, angles and intervals between head top and the hair rotation were discussed.
本文对佳木斯地区100例胎尸发旋的位置、方向、旋顶问距及角距正中角度进行了观测。
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