[詞彙表]產科測量
- GA: Gestational Age. 妊娠年齡
- Fetal age: Conceptional age. 胎齡
- EFW: Estimated fetal weight. 胎兒體重估計
- AUA: Arithmetic ultrasound age. 平均胎齡
- DOC: Date of conception. 受孕日
- LMP: Last menstrual period. 最後一次月經
- EDD: Estimated due date. 預產日
早期產科測量
- CRL: Crown-rump length. 頭臀長
- GS: Gestational sac. 妊娠囊直徑
- NT: Nuchal Translucency 頸項透明帶厚度
- IT: Intracranial Translucency 顱內透明帶
中後期產科測量
- AC: Abdominal circumference. 腹圍
- HC: Head circumference. 頭圍
- FL: Femur length. 股骨長
- BPD: Biparietal diameter. 雙頂徑
- AFQ: Amniotic Fluid Quadrants 羊水四象限測量,用於AFI (羊水指數) 計算
- Q1
- Q2
- Q3
- Q4
- TCD: Transcerebellar Diameter 小腦橫徑
- IOD: Interorbital Distance 內眶距
- OOD: Outer Orbital Distance 外眶距
- CM: Cisterna Magna 小腦池寬度
- TL: Tibia Length 脛骨長度
- FIB: Fibula Length 腓骨長度
- HL: Humerus Length 肱骨長度
- RAD: Radius Length 橈骨長度
- UL: Ulna Length 尺骨長度
- LVD: Lateral Ventricle Diameter 腦室前後距離
- NF: Nuchal Fold Thickness 頸部皺褶厚度
- AF-SDP Amniotic Fluid – Single Deepest Pocket 單口徑羊水深度
- CxL: Cervical Length 子宮頸長度
計算公式
- GS, CRL, BPD, HC, AC, FL GA 數值請參考附錄表
- TCD: GA(Weeks) = 4.9 + 0.5 × TCD(mm)
- TL: GA(Weeks) = 2.7 × TL(cm) + 8.7
- FIB: GA(Weeks) = 2.7 × FIB(cm) + 8.6
- HL: GA(Weeks) = 2.5 × HL(cm) + 9.0
- RAD: GA(Weeks) = 2.6 × RAD(cm) + 9.0
- UL: GA(Weeks) = 2.6 × UL(cm) + 9.2
- EDD = 檢查日 + (40 – GA) 週
參考資料
- Early OB calculations: Hadlock 1992.
Fetal Crown-Rump Length: Reevaluation of Relation to Menstrual Age with High-Resolution Real-Time US. - Mid-late OB calculations:
- Hadlock 1984
Hadlock F.P, Deter R.L, Harrist R.B. and Park S.K, Estimating fetal age: computer-assisted analysis of multiple fetal growth parameters, Radiology, 152, pp 497-501, 1984 - Goldstein 1987, Ultrasound Obstet Gynecol 7:161–165
- Chitty 1994, Ultrasound Obstet Gynecol 4:287–296
- Jeanty 1984, Radiology 151:417–422
- Hadlock 1984
- EFW equations:
EFW by AC, BPD FL, and HC: Hadlock 1985
Hadlock F.P, Harrist R.B, Sharman R.S, Deter R.L, Park S.K, Estimation of fetal weight with the use of head, body, and femur measurements–a prospective study, Am.J.Obstet.Gynecol., 151, pp 333-337, 1985
附錄
| CRL (公分) | GA (週) |
|---|---|
| 0.222017 | 5 |
| 0.323257 | 5.5 |
| 0.458221 | 6 |
| 0.633076 | 6.5 |
| 0.853455 | 7 |
| 1.12393 | 7.5 |
| 1.44749 | 8 |
| 1.82517 | 8.5 |
| 2.25575 | 9 |
| 2.73569 | 9.5 |
| 3.25926 | 10 |
| 3.81889 | 10.5 |
| 4.40564 | 11 |
| 5.00986 | 11.5 |
| 5.62178 | 12 |
| 6.23223 | 12.5 |
| 6.83319 | 13 |
| 7.41828 | 13.5 |
| 7.98308 | 14 |
| 8.5254 | 14.5 |
| 9.04534 | 15 |
| 9.54531 | 15.5 |
| 10.03 | 16 |
| 10.5061 | 16.5 |
| 10.9826 | 17 |
| 11.4704 | 17.5 |
| 11.9826 | 18 |
| 12.5346 | 18.5 |
| 13.1446 | 19 |
| 13.8342 | 19.5 |
| GS(公分) | GA(週) |
|---|---|
| 0.2 | 4.985714286 |
| 0.3 | 5.114285714 |
| 0.4 | 5.228571429 |
| 0.5 | 5.357142857 |
| 0.6 | 5.485714286 |
| 0.7 | 5.614285714 |
| 0.8 | 5.742857143 |
| 0.9 | 5.871428571 |
| 1 | 5.985714286 |
| 1.1 | 6.114285714 |
| 1.2 | 6.242857143 |
| 1.3 | 6.371428571 |
| 1.4 | 6.5 |
| 1.5 | 6.614285714 |
| 1.6 | 6.742857143 |
| 1.7 | 6.871428571 |
| 1.8 | 7 |
| 1.9 | 7.128571429 |
| 2 | 7.257142857 |
| 2.1 | 7.371428571 |
| 2.2 | 7.5 |
| 2.3 | 7.628571429 |
| 2.4 | 7.757142857 |
| 2.5 | 7.885714286 |
| 2.6 | 8 |
| 2.7 | 8.128571429 |
| 2.8 | 8.257142857 |
| 2.9 | 8.385714286 |
| 3 | 8.514285714 |
| GA (週) | AC (公分) | HC(公分) | FL(公分) |
|---|---|---|---|
| 12 | 4.58288 | 6.79971 | 0.7244 |
| 12.5 | 5.26562 | 7.52234 | 0.89625 |
| 13 | 5.94338 | 8.2402 | 1.0664 |
| 13.5 | 6.61615 | 8.9531 | 1.23485 |
| 14 | 7.28392 | 9.66083 | 1.4016 |
| 14.5 | 7.9467 | 10.3632 | 1.56665 |
| 15 | 8.6045 | 11.0601 | 1.73 |
| 15.5 | 9.25731 | 11.7512 | 1.89165 |
| 16 | 9.90512 | 12.4363 | 2.0516 |
| 16.5 | 10.5479 | 13.1154 | 2.20985 |
| 17 | 11.1858 | 13.7882 | 2.3664 |
| 17.5 | 11.8186 | 14.4544 | 2.52125 |
| 18 | 12.4465 | 15.114 | 2.6744 |
| 18.5 | 13.0693 | 15.7667 | 2.82585 |
| 19 | 13.6872 | 16.4123 | 2.9756 |
| 19.5 | 14.3001 | 17.0507 | 3.12365 |
| 20 | 14.908 | 17.6816 | 3.27 |
| 20.5 | 15.5109 | 18.3049 | 3.41465 |
| 21 | 16.1088 | 18.9203 | 3.5576 |
| 21.5 | 16.7017 | 19.5277 | 3.69885 |
| 22 | 17.2897 | 20.1269 | 3.8384 |
| 22.5 | 17.8726 | 20.7177 | 3.97625 |
| 23 | 18.4506 | 21.2998 | 4.1124 |
| 23.5 | 19.0235 | 21.8732 | 4.24685 |
| 24 | 19.5915 | 22.4376 | 4.3796 |
| 24.5 | 20.1545 | 22.9929 | 4.51065 |
| 25 | 20.7125 | 23.5388 | 4.64 |
| 25.5 | 21.2655 | 24.0751 | 4.76765 |
| 26 | 21.8135 | 24.6016 | 4.8936 |
| 26.5 | 22.3565 | 25.1183 | 5.01785 |
| 27 | 22.8946 | 25.6248 | 5.1404 |
| 27.5 | 23.4276 | 26.121 | 5.26125 |
| 28 | 23.9557 | 26.6066 | 5.3804 |
| 28.5 | 24.4787 | 27.0816 | 5.49785 |
| 29 | 24.9968 | 27.5457 | 5.6136 |
| 29.5 | 25.5099 | 27.9987 | 5.72765 |
| 30 | 26.018 | 28.4404 | 5.84 |
| 30.5 | 26.5211 | 28.8707 | 5.95065 |
| 31 | 27.0192 | 29.2893 | 6.0596 |
| 31.5 | 27.5123 | 29.696 | 6.16685 |
| 32 | 28.0005 | 30.0907 | 6.2724 |
| 32.5 | 28.4836 | 30.4732 | 6.37625 |
| 33 | 28.9618 | 30.8433 | 6.4784 |
| 33.5 | 29.4349 | 31.2007 | 6.57885 |
| 34 | 29.9031 | 31.5453 | 6.6776 |
| 34.5 | 30.3663 | 31.877 | 6.77465 |
| 35 | 30.8245 | 32.1955 | 6.87 |
| 35.5 | 31.2777 | 32.5005 | 6.96365 |
| 36 | 31.7259 | 32.7921 | 7.0556 |
| 36.5 | 32.1691 | 33.0698 | 7.14585 |
| 37 | 32.6074 | 33.3336 | 7.2344 |
| 37.5 | 33.0406 | 33.5833 | 7.32125 |
| 38 | 33.4689 | 33.8186 | 7.4064 |
| 38.5 | 33.8921 | 34.0394 | 7.48985 |
| 39 | 34.3104 | 34.2455 | 7.5716 |
| 39.5 | 34.7237 | 34.4367 | 7.65165 |
| 40 | 35.132 | 34.6128 | 7.73 |
| GA (週) | BPD(公分) |
|---|---|
| 12.5438 | 1.7 |
| 12.9608 | 1.9 |
| 13.3913 | 2.1 |
| 13.8352 | 2.3 |
| 14.2925 | 2.5 |
| 14.7632 | 2.7 |
| 15.2473 | 2.9 |
| 15.7448 | 3.1 |
| 15.9986 | 3.2 |
| 16.5163 | 3.4 |
| 17.0473 | 3.6 |
| 17.5917 | 3.8 |
| 17.869 | 3.9 |
| 18.4336 | 4.1 |
| 19.0115 | 4.3 |
| 19.6029 | 4.5 |
| 19.9036 | 4.6 |
| 20.5151 | 4.8 |
| 21.14 | 5 |
| 21.4575 | 5.1 |
| 22.1025 | 5.3 |
| 22.7609 | 5.5 |
| 23.0951 | 5.6 |
| 23.7737 | 5.8 |
| 24.118 | 5.9 |
| 24.8166 | 6.1 |
| 25.1709 | 6.2 |
| 25.8897 | 6.4 |
| 26.2541 | 6.5 |
| 26.993 | 6.7 |
| 27.3674 | 6.8 |
| 27.7452 | 6.9 |
| 28.5109 | 7.1 |
| 28.8988 | 7.2 |
| 29.29 | 7.3 |
| 30.0825 | 7.5 |
| 30.4838 | 7.6 |
| 30.8884 | 7.7 |
| 31.2964 | 7.8 |
| 31.7077 | 7.9 |
| 32.5404 | 8.1 |
| 32.9618 | 8.2 |
| 33.3866 | 8.3 |
| 33.8147 | 8.4 |
| 34.2461 | 8.5 |
| 34.6809 | 8.6 |
| 35.119 | 8.7 |
| 35.5605 | 8.8 |
| 36.0054 | 8.9 |
| 36.4536 | 9 |
| 36.9052 | 9.1 |
| 37.3601 | 9.2 |
| 37.8183 | 9.3 |
| 38.2799 | 9.4 |
| 38.7449 | 9.5 |
| 39.2132 | 9.6 |
| 39.6849 | 9.7 |
| 40.1599 | 9.8 |
| 40.6383 | 9.9 |
| 41.12 | 10 |
| 41.6051 | 10.1 |
| 42.0935 | 10.2 |