天气预报 > 其他 > 胎儿32周存活率有多少正常
胎儿32周存活率有多少正常
更新时间: 2020-11-04 00:00:00  

胎儿32周存活率在95左右。胎儿32周的时候宝宝的器官还都在发展中,视网膜没有长成。但如果没有严重疾病的胎儿,存活率还是很高。

胎儿,是指妊娠8周以后的胎体。妊娠4~8周娩出的胎体为胚胎。胚胎期重要器官逐渐形成,在胎儿期各器官进一步发育成熟。胎儿在妊娠28周以前娩出的现象称为流产;孕28~37周前娩出的现象称为早产,孕37周至不满42足周娩出的现象称为足月产。妊娠全程共280天即40周。

关键词: 胎儿 存活率 多少 正常

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