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孕9周彩超胎儿大小正常值是多少
更新时间: 2020-11-04 00:00:00  

孕9周彩超胎儿大小正常值是2厘米,重量还很轻,差不多有葡萄粒般大小,但身体的基本结构以及形成。怀孕9周的孕妇有的胎芽可能有的小,别担心,这可能是受孕比较晚导致,只要胚芽在不断发育就好。按照胚胎的发育,孕30-40天形成胎囊,孕40—50天形成胎芽,孕50—60天形成胎心。

关键词: 胎儿 大小 正常值 多少

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