天气预报 > 其他 > 胎儿足月腹围多少正常值是多少
胎儿足月腹围多少正常值是多少
更新时间: 2020-11-05 00:00:00  

正常来说,腹围每周平均增长0.85cm,20周以前腹围增长不稳定,20—24周时增长最快,为每周增长1.5cm;孕24—34周后,腹围增长速度减慢,增长为0.26cm。如果以妊娠16周测量的腹围为基数,到足月,平均增长值为21cm。

以上的腹围指标仅为参考值,因腹围测量受孕妈个体本身因素影响较大,所以当数据与参考表不符时,孕妈无需过于担心,还应结合其他检查(如宫高等)综合分析。

关键词: 胎儿 多少 正常值

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