31周又3天胎儿发育情况
31周又3天胎儿发育情况
    31周又3天胎儿发育情况?孕期到31周时,宫内胎儿的肺部和消化系统已经完成了,而且31周胎儿的眼睛还会时开时闭,简单的可以辨别明...〔详细〕
    2018-11-01      标签: 31周又3天胎儿发育情况  胎儿发育情况  

301 Moved Permanently

301 Moved Permanently


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