胎儿体重预测及B超标准值对照表.doc

.胎儿体重预测及B超标准值对照表孕期正常参数值2010-11-22孕周双顶径(平均值)cm腹围(平均值)cm股骨长(平均值)cm16周3.62士0.5810.32士1.922.10士0.5118周4.25士0.5312.41士l.892.71士0.4620周4.88士0.5814.80士l.893.35士O.4722周5.45士0.5716.70士2.233.82士0.4724周6.05士0.5018.74士2.234.36士0.5126周6.68士0.6121.62士2.304.87士O.4128周7.24士O.6522.86士2.415.35士0.5530周7.83士0.6224.88士2.035.77士0.4732周8.17士0.6526.20士2.336.43士0.4934周8.61士0.6327.99士2.556.62士0.4336周8.81士0.5729.44士2.836.