在胎儿的位置，她会用勺子。
从技术上来说，背阵痛发生在胎儿处于背对的位置，它的脸朝上而后脑勺紧靠你的骶骨或者骨盆后方。
Technically, back labor occurs when the fetus is in a posterior position, with its face up and the back of its head pressing against your sacrum, or the back of your pelvis.
评价胎儿包括胎儿体重和位置。对胎儿大小的估计，即使是超声学获得的结果经常都不准确。
Assessment of the fetus consists of estimating fetal weight and position. Estimations of fetal size, even those obtained by ultrasonography, are frequently inaccurate.
本部分中胎儿的先露位置均为头侧仰卧位（图1）。
The sections will all be presented with the fetus in a cephalic dorsal position (Figure 1).
没有奇迹4D超声是如此受欢迎，是父母。但它也是一个严重的诊断工具，为医生评估的健康和胎儿的位置。
No wonder 4D ultrasound is so popular with parents-to-be. But it is also a serious diagnostic tool for doctors assessing the health and position of the fetus.
结果92例孕妇中，90例均清楚显示胎儿脸面部的表面特征、立体形态及各结构间的位置关系，2例因前方羊水较少显示不满意。
Results Among 92 fetus, 90 were clearly shown their face character, solid shape and positional relationship between structures, other 2 fetuses failed to do so because of oligohydramnios.
由于无放射性，超声波有时被用于妊娠期的妇女，以确定胎儿的位置及大小。
Because it produces no radiation, ultrasound is sometimes used during pregnancy to determine the size and position of the fetus.
结果超声检出胎儿心脏位置异常11例（11 /12），包括右位心、左旋心、胸外心脏、连体双胎共同心脏等类型。
Results Eleven cases (11/12) of fetal cardiac malposition were detected by fetal echocardiography, including dextrocardia, sinistrocardia, extrathorax heart and common heart of conjoined twins.
结果：胎儿外耳在孕20周以后即可清晰显示其形态、大小及位置。
Results: the morphology, the size and the lie of the fetal external ear could be clearly seen after 20 week pregnancy.
本部分中胎儿的先露位置均为头侧仰卧位（图1）。
The drawings are presented with the fetus presenting in the cephalic dorsal position (Figure 1).
三维超声透明成像可立体地显示实质性脏器内部结构的空间位置关系，胎儿的脊柱、肋骨等结构可完整连续显示；
Transparent imaging could display the inner structures of most solid or hollow organs, fetal spine and ribs could be shown completely and continuously;
三维超声透明成像可立体地显示实质性脏器内部结构的空间位置关系，胎儿的脊柱、肋骨等结构可完整连续显示；
Transparent imaging could display the inner structures of most solid or hollow organs, fetal spine and ribs could be shown completely and continuously;
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