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孕妇３１岁，初孕２９周。产前常规检查发现羊水过多。Ｂ超检查：胎头正常，胎心规律，腹围增大，肝脏，双肾，膀胱及脊柱、四肢均未见异常。羊水最大深度９７ｍｍ；于胎儿中下腹可见多个大小不等的无回声区，内有多个形态不一的分隔回声（图１），无回声区内未见块影。超...
31-year-old pregnant, first pregnancy 29 weeks. Prenatal routine examination found too much amniotic fluid. B-ultrasound: normal fetal head, fetal heart rate, abdominal circumference increased, liver, kidneys, bladder and spine, limbs were normal. Amniotic fluid maximum depth of 97mm; in the lower abdomen can be seen a number of different sizes of echo-free area, there are multiple separated echo (Figure 1), echo-free area no shadow. ultra...