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懷孕13周胎兒頭臂徑是多少
懷孕13周胎兒頭臂徑是多少
更新时间:2024-10-01 19:25:16

  懷孕13周胎兒頭臂徑是6.77cm左右,平均值雙頂徑2.52cm。

  胎寶寶的頭臀徑,是以胎寶寶的頭上到尾骨中間精确測量的長短。不一樣的懷孕周數,頭臀徑的長短是不同的。

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