病情分析:你好B超检查胎儿双顶径、腹围、股骨长的平均值表怀孕周数 双顶径(BPD)的平均值 腹围(AC)的平均值 股骨长(FL)的平均值27 6.98士0.57 21.81士2.12 5.10士0.4128 7.24士O.65 22.86士2.41 5.35士0.5529 7.50士0.65 23.71士1.50 5.61士0.4430 7.83士0.62 24.88士2.03 5.77士0.4731 8.06士0.60 25.78士2.32 6.03士0.3832 8.17士0.65 26.20士2.33 6.43士0.4933 8.50士0.47 27.78士2.30 6.42士0.4634 8.61士0.63 27.99士2.55 6.62士0.4335 8.70士0.55 28.74士2.88 6.71士0.4536 8.81士0.57 29.44士2.83 6.95士0.4737 9.00士0.63 30.14士2.017 7.10士0.52389.08士0.5 30.63士2.83 7.20士0.4339 9.21士0.59 31.34士3.12 7.34士0.5340 9.28士0.50 31.49士2.79 7.4士0.53