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# 回声

  • data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZlcnNpb249IjEuMSIgaGVpZ2h0PSIxMDAiIHdpZHRoPSIxMDAiPjxyZWN0IGZpbGw9InJnYigxNjAsMjI5LDE4MCkiIHg9IjAiIHk9IjAiIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj48L3JlY3Q+PHRleHQgeD0iNTAiIHk9IjUwIiBmb250LXNpemU9IjUwIiB0ZXh0LWNvcHk9ImZhc3QiIGZpbGw9IiNmZmZmZmYiIHRleHQtYW5jaG9yPSJtaWRkbGUiIHRleHQtcmlnaHRzPSJhZG1pbiIgYWxpZ25tZW50LWJhc2VsaW5lPSJjZW50cmFsIj7ljb88L3RleHQ+PC9zdmc+
    卿染零 2026-05-09 进行了提
    我怀孕29周了,之前在24周做四维彩超时发现胎盘位于后壁,下面和前壁之间有一条带状回声,这次复查还是一样,不知道是不是羊膜带,真的很害怕。
    0 赞同 3 回答
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    自由如风 2026-05-06 进行了提
    头胎宫内胎儿臀位,BPD 6.7cm,HC 25.2cm,AC 24.2cm,FL 4.9cm,胎盘前壁,1级,羊水最深8.2cm,指数21.0,脐动脉SD 3.6-4.4,RI 0.72-0.77,胎儿左心室内有强回声点,羊水多和强回声点正常吗
    0 赞同 2 回答
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    王某 2026-04-27 进行了提
    早孕47天做彩超看到一个0.7×0.5厘米的无回声区,这是什么情况?会不会有问题
    0 赞同 2 回答
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    浅笑 2026-04-24 进行了提
    在空旷地方喊话会有回声,想知道原理。为什么会有回声?回声是怎么产生的?声音怎么反射?什么条件下回声更明显?回声有什么用途?回声和距离有什么关系?
    0 赞同 1 回答
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    难捱 2026-04-17 进行了提
    怀孕17周,B超显示胎儿左心室内有两点状强回声,这情况严重吗?有没有办法改善?这种现象常见吗?是什么原因导致的?是不是需要考虑终止妊娠
    0 赞同 3 回答
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    栖息梧桐 2026-04-08 进行了提
    怀孕六周,B超显示左侧附件区有一个无回声区,大小20x19,边界清楚,内部透声好,这是正常吗
    0 赞同 2 回答
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    老太钧 2025-12-24 进行了提
    胎儿右侧脉络丛发现一个0.7x0.5厘米的囊性回声,现在胎儿大小相当于18周,这个囊肿会不会有问题?需要做羊水穿刺吗?能不能再晚一两个月再做
    0 赞同 1 回答
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    断缘 2025-12-04 进行了提
    胎儿左边心室里有个0.2厘米的强回声点,这会不会影响孩子,长大后会不会有毛病?还有,孩子一直趴着,怎么才能看清楚面部,能给点建议吗
    0 赞同 1 回答
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    小迷妹 2025-11-21 进行了提
    胎儿左心室内有1.7mm的强回声斑,这会不会有问题,对以后的发育有没有影响
    0 赞同 1 回答
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    情薄少女 2025-10-05 进行了提
    三维检查发现左心室有0.2cm×0.2cm强回声斑,这会对胎儿有影响吗?
    0 赞同 1 回答
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    二月春风 2025-10-02 进行了提
    我怀孕4个月,胎盘位于宫后壁,子宫前臂下段向下覆盖宫颈内口,可见95×28无回声区,与后壁胎盘相连,伴有褐色血流出,麻烦医生帮我解释一下,谢谢。
    0 赞同 1 回答
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    小媛同学 2025-09-25 进行了提
    我去年8月体检发现左边附件有个29*29mm的液性暗区,边界清晰。今年12月复查,发现卵巢里有个约2.8*2.0cm的无回声区,形状近似圆形,内部透声不好,壁后不光滑,后壁回声增强,但彩超没看到明显血流。我该怎么做治疗?
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