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孕妇,孕24~(+1)周,G5P2。曾2次自然流产,活产2次,均于生后不久死亡,死亡原因不详。妊娠期无不适,无不良接触史,无家族遗传病史,自然受孕,未行血清学唐氏综合征筛查,配偶健康。常规来我院行中孕期系统超声检查。检查发现胎儿左室流出道切面及三血管平面回声异常,单脐动脉,帆状胎盘,进一步行胎儿超声心动图检查。胎儿超声心动图检查:(1)左室流出道可见于升主动脉近端发出左右二个分支,左右分支内径相当(图1)。(2)三血管
Pregnant women, pregnant 24 ~ (+1) weeks, G5P2. Had two spontaneous abortion, live births 2 times, were killed soon after birth, the cause of death is unknown. Pregnancy without discomfort, no adverse exposure history, no family history of genetic disease, natural pregnancy, no serological Down’s syndrome screening, spouse health. Routine to our hospital during pregnancy ultrasound system. Check fetus left ventricular outflow tract section and three vascular plane echo abnormalities, single umbilical artery, sail placenta, further fetal fetal echocardiography. Fetal echocardiography: (1) left ventricular outflow tract can be seen in the proximal ascending aorta issued about two branches, left and right branches of the same diameter (Figure 1). (2) three blood vessels