天气预报 > 其他 > 孕九个月发育标准是多少正常
孕九个月发育标准是多少正常
更新时间: 2020-11-04 00:00:00  

孕九个月发育标准胎长46~50cm,胎重2000~2800克正常。

胎儿发育大多数的胎儿都将在孕40周诞生,但真正能准确地在预产期出生的婴儿只有5%,提前两周或推迟两周都是正常的。

关键词: 发育 标准 多少 正常

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