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孕妇27岁,妊娠9个余月,夫妻双方既往体健,首次妊娠,来我院产检。超声表现:宫内见一个胎儿,双顶径9.5cm,头围34.1cm,腹围34.9cm,股骨径7.4cm,胎盘底前壁厚3.3cm,羊水指数11.5cm,胎心率149次/min。脐动脉S/D 2.5,RI0.6。胎儿四腔心切面未见明显异常,心尖指向左,胎儿腹部横切面显示胃泡位于腹腔右侧,肝脏大部分位于腹腔左侧,胆囊位于胃泡与脐静脉之间。胎儿下腔静脉未探及,肝静脉直接汇入右心房,腹主动脉左后方见扩张的半奇静脉,位于左侧的半奇静脉自腹腔
27-year-old pregnant, more than 9 months of pregnancy, both husband and wife past physical health, the first pregnancy, to our hospital for childbirth. Ultrasound performance: intrauterine see a fetus, biparietal diameter 9.5cm, head circumference 34.1cm, abdominal circumference 34.9cm, femoral diameter 7.4cm, placental wall thickness 3.3cm, amniotic fluid index 11.5cm, fetal heart rate 149 beats / min . Umbilical artery S / D 2.5, RI0.6. Fetal four-chamber heart section showed no abnormalities, apex pointing to the left, the transverse section of the fetus abdomen shows that the stomach is located in the right side of the abdominal cavity, most of the liver is located in the left side of the abdominal cavity, the gallbladder is located between the stomach and the umbilical vein. Fetal inferior vena cava was not explored, the hepatic vein directly into the right atrium, abdominal aorta to see the expansion of the left azygos vein, located in the left side of the azygos vein from the abdominal cavity