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初生儿体重多少正常

更新时间: 2020-11-05 00:00:00     

初生儿出生时平均体重为3kg,正常范围是2.5kg-4kg,影响新生儿体重因素有初产年龄、孕周、胎次、孕妇的健康情况,营养状况等。新生儿出生后2-3天由于胎粪的排出,胎脂的吸收及丧失水分较多,加上初生的宝宝吸吮能力比较弱,吃奶少,可以出现暂时性的体重下降,甚至比出生时的体重还低,称生理性体重下降。

关键词: 初生 体重 多少 正常

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