天气预报 > 其他 > 35周4双顶径多少正常值是多少
35周4双顶径多少正常值是多少
更新时间: 2020-11-04 00:00:00  

孕32周(8个月)时约为8.0厘米,以此类推。孕8个月以后,平均每周增长约为0.2厘米为正常,其中36周胎儿双顶径标准是8.81士0.57。当初期无法通过CRL来确定预产日时,往往通过BPD来预测;中期以后,在推定胎儿体重时,往往也需要测量该数据。胎儿双顶径通常用超声波进行测量,随着胎儿月份增加头骨是不断生长的。

关键词: 多少 正常值

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