1、胎儿小脑直径(mm)小脑直径 孕周 小脑直径 孕周14 15.2 35 29.415 15.8 36 30.016 16.5 37 30.617 17.2 38 31.218 17.9 39 31.819 18.6 40 32.320 19.3 41 32.821 20.0 42 33.422 20.7 43 33.923 21.4 44 34.424 22.1 45 34.825 22.8 46 35.326 23.5 47 35.727 24.2 48 36.128 24.9 49 36.529 25.5 50 36.830 26.2 51 37.231 26.9 52 37.532 27
2、.5 54 38.033 28.1 55 38.334 28.8 56 38.5Hill LM et al. Obstet Gynecol 1990, 75:981.胎儿脐动脉血流A/B 10% 50% 90%16 3.01 4.25 6.0720 3.16 4.04 5.2424 2.7 3.5 4.7528 2.41 3.02 3.9730 2.43 3.04 3.832 2.27 2.73 3.5734 2.08 2.52 3.4136 1.96 2.35 3.1538 1.89 2.24 3.140 1.88 2.22 2.6841 1.93 2.21 2.5542 1.91 2.51
3、 3.21Fogarty P, et al. Continuous wave Doppler flow velocith wave forms from the umbilical artery in normal pregnancy.J Perinat Med. 18: 51-54.大脑中动脉搏动指数孕周 5th 50th 95th20-21 1.30 2.10 2.9022 1.35 2.15 2.9523-27 1.40 2.20 3.0028 1.40 2.25 3.0529-30 1.35 2.20 3.0031 1.35 2.05 2.9532 1.30 2.05 2.9033 1
4、.25 2.05 2.8034 1.15 1.95 2.7535 1.10 1.90 2.7036 1.00 1.80 2.6037 0.95 1.75 2.5538 0.80 1.60 2.4039 0.75 1.55 2.3040 0.60 1.40 2.20胎儿肾脏大小( mm)孕周 长 宽 厚 体积 cm320 21(15-26 ) 11( 7-15) 10( 6-13) 1.122 24(19-29 ) 12( 8-16) 11( 7-15) 1.724 28(22-33 ) 14(10-18) 13( 9-17) 2.526 31(25-26 ) 16(12-19) 15(11-1
5、9) 3.528 33(28-38 ) 17(13-21) 16(12-16) 4.730 36(31-41 ) 19(15-23) 18(14-22) 6.132 38(33-43 ) 20(17-24) 19(15-23) 7.534 40(35-45 ) 22(18-26) 20(16-24) 9.036 41(36-47 ) 23(19-27) 21(17-25) 10.238 43(37-48 ) 23(19-27) 21(18-26) 11.240 44(38-49 ) 23(19-27) 23(19-27) 14.0胎儿肾血流右肾动脉 左肾动脉参数近端 远端 近端 远端PI 2.
6、33(0.46) 2.34(0.43) 2.36(0.48) 2.47(0.41)RI 0.91(0.05) 0.92(0.05) 0.92(0.05) 0.93(0.04)PSV(cm/s ) 67.6(14.8) 59.6(12.7) 64.3(12.7) 62.5(13.7)EDV(cm/s) 5.6(3.2) 4.9(3.0) 4.8(3.0) 3.9(2.2)Ultrasound Obstet Gynecol. 2004, 23: 590-593.胎儿长骨胫骨 腓骨 股骨 肱骨 尺骨 桡骨5th 50th 95th 5th 50th 95th 5th 50th 95th 5th 50
7、th 95th 5th 50th 95th 5th 50th 95th12 7 6 4 8 13 9 7 713 10 9 6 11 16 6 11 16 5 10 15 6 10 1414 7 12 17 6 12 19 9 14 18 9 14 19 8 13 18 8 13 1715 9 15 20 9 15 21 12 17 21 12 17 22 11 16 21 11 15 2016 12 17 22 13 18 23 15 20 24 15 20 25 13 18 23 13 18 2217 15 20 25 13 21 28 18 23 27 18 22 27 16 21 26
8、 14 20 2618 17 22 27 15 23 31 21 25 30 20 25 30 19 24 29 15 22 2919 20 25 30 19 26 33 24 28 33 23 28 33 21 26 31 20 24 2920 22 27 33 21 28 36 26 31 36 25 30 35 24 29 34 22 27 3221 25 30 35 24 31 37 29 34 38 28 33 38 26 31 36 24 29 3322 27 32 38 27 33 39 32 36 41 30 35 40 28 33 38 27 31 3423 30 35 40
9、 28 35 42 35 39 44 33 38 42 31 36 41 26 32 3924 32 37 42 29 37 45 37 42 46 35 40 45 33 38 43 26 34 4225 34 40 45 34 40 45 40 44 49 37 42 47 35 40 45 31 36 4126 37 42 47 36 42 47 42 47 51 39 44 49 37 42 47 32 37 4327 39 44 49 37 44 50 45 49 54 41 46 51 39 44 49 33 39 4528 41 46 51 38 45 53 47 52 56 4
10、3 48 53 41 46 51 33 40 4829 43 48 53 41 47 54 50 54 59 45 50 55 43 48 53 36 42 4730 45 50 55 43 49 56 52 56 61 47 51 56 44 49 54 36 42 4731 47 52 57 42 51 59 54 59 63 48 53 58 46 51 56 38 44 5032 48 54 59 42 52 63 56 61 65 50 55 60 48 53 58 37 45 5333 50 55 60 46 54 62 58 63 67 51 56 61 49 54 59 41
11、46 5134 52 57 62 46 55 65 60 65 69 53 58 63 51 56 61 40 47 5335 53 58 64 51 57 62 62 67 71 54 59 64 52 57 62 41 48 5436 55 60 65 54 58 63 64 68 73 56 61 65 53 58 63 39 48 5737 56 61 67 54 59 65 65 70 74 57 62 67 55 60 65 45 49 5338 58 63 68 56 61 65 67 71 76 59 63 68 56 61 66 45 49 5439 59 64 69 56
12、62 67 68 73 77 60 65 70 57 62 67 45 50 5440 61 66 71 59 63 67 70 74 79 61 66 71 58 63 68 46 50 55Romero R, Athanassiadis AP, Jeanty P. Fetal anomalies. Radiol Clin North Am. 1989, 28:75.胎儿鼻骨长(mm)孕周 例数 2.5th 5th 50th 95th 97.5th11 16 1.3 1.4 2.3 3.3 3.412 54 1.7 1.8 2.8 4.2 4.313 59 2.2 2.3 3.1 4.6 4
13、.814 82 2.2 2.5 3.8 5.3 5.715 103 2.8 3.0 4.3 5.7 6.016 134 3.2 3.4 4.7 6.2 6.217 203 3.7 4.0 5.3 6.6 6.918 252 4.0 4.3 5.7 7.0 7.319 388 4.6 5.0 6.3 7.9 8.220 440 5.0 5.2 6.7 8.3 8.621 322 5.1 5.6 7.1 9.0 9.322 208 5.6 5.8 7.5 9.3 10.223 157 6.0 6.4 7.9 9.6 9.924 121 6.6 6.8 8.3 10.0 10.325 123 6.3
14、 6.5 8.5 10.7 10.826 96 6.8 7.4 8.9 10.9 11.327 80 7.0 7.5 9.2 11.3 11.628 103 7.2 7.6 9.8 12.1 13.429 95 7.2 7.7 9.8 11.8 12.330 104 7.3 7.9 10.0 12.6 13.231 92 7.9 8.2 10.4 12.6 13.232 66 8.1 8.6 10.5 13.6 13.733 54 8.6 8.7 10.8 12.8 13.034 41 9.0 9.1 10.9 12.8 13.535 37 7.5 8.5 11.0 14.1 15.036 40 7.3 7.8 10.8 12.8 13.637 36 8.4 8.7 11.4 14.5 15.038 13 9.2 9.3 11.7 15.7 16.639 12 9.1 9.2 10.9 14.0 14.840 6 10.3 10.4 12.1 14.5 14.7Sonek TD, et al. Nasal bone length throughout gestation: normal ranges based on 3537 fetal ultrasound measurements. Ultrasound Obstet Gynecol. 2003, 21: 152-155.