天气预报 > 其他 > 胎儿头围和腰围是多少正常
胎儿头围和腰围是多少正常
更新时间: 2020-11-04 00:00:00  

胎儿头围9.28士0.50cm正常,胎儿和腰围31.49士2.79cm正常。头围是从眉间点(g)为起点,经枕后点(op)至起点的围长。头围反应脑,颅骨的发育,在2岁时测量最有意义,头围过大见于脑积水、佝偻病;头围过小见于小头畸形。腰围:经脐部中心的水平围长,或肋最低点与髂嵴上缘两水平线间中点线的围长,用软尺测量,在呼气之末、吸气未开始时测量。

关键词: 胎儿 腰围 多少 正常

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