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中华医学超声杂志(电子版) ›› 2025, Vol. 22 ›› Issue (04) : 283 -288. doi: 10.3877/cma.j.issn.1672-6448.2025.04.001

专家共识

胎儿生物学参数超声参考值专家共识——孕龄
中华预防医学会出生缺陷预防与控制专业委员会产前超声诊断学组, 中华医学会超声医学分会妇产学组   
  • 收稿日期:2025-03-12 出版日期:2025-04-01
  • 基金资助:
    国家重点研发计划(2024YFC2707003)重庆市科卫联合医学科研重大项目(2024DBXM006)

Expert consensus on ultrasound reference values for fetal biometry:gestational age

Ultrasound Diagnostics Group of Committee on Birth Defect Prenatal, and Gynecology Working Group of Society of Ultrasound in Obstetrics   

  • Received:2025-03-12 Published:2025-04-01
引用本文:

中华预防医学会出生缺陷预防与控制专业委员会产前超声诊断学组, 中华医学会超声医学分会妇产学组. 胎儿生物学参数超声参考值专家共识——孕龄[J/OL]. 中华医学超声杂志(电子版), 2025, 22(04): 283-288.

Ultrasound Diagnostics Group of Committee on Birth Defect Prenatal, and Gynecology Working Group of Society of Ultrasound in Obstetrics. Expert consensus on ultrasound reference values for fetal biometry:gestational age[J/OL]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2025, 22(04): 283-288.

图1 11 ~13+6 周头臀长测量超声图像与示意图
图2 8 ~10+6 周头臀长测量超声图像与示意图 注:UC 为脐带;GS 为妊娠囊;YS 为卵黄囊;F 为胎儿/胚胎;箭头所示为羊膜囊;测量游标所示为头臀长
表1 CRL 的测量方法
表2 CRL 测量相关切面的质控要点
表3 基于头臀长值估算孕龄[14]
表4 基于超声测量指标估算孕龄的推荐公式
表5 基于单一测量指标估算孕龄[19-21]
HC(mm) 孕龄(周) BPD(mm) 孕龄(周) FL(mm) 孕龄(周) TCD(mm) 孕龄(周) FoL(mm) 孕龄(周)
80 13+2 20 12+5 10 13+4 12 13+5 12 12+0
85 13+4 21 13+0 11 13+6 13 14+3 13 12+4
90 13+7 22 13+2 12 14+0 14 15+2 14 12+7
95 14+3 23 13+4 13 14+3 15 15+7 15 13+3
100 14+5 24 13+5 14 14+5 16 16+5 16 13+5
105 15+0 25 14+0 15 14+6 17 17+3 17 14+1
110 15+3 26 14+2 16 15+1 18 18+2 18 14+5
115 15+6 27 14+4 17 15+3 19 18+7 19 14+0
120 16+1 28 14+5 18 15+5 20 19+5 20 15+3
125 16+4 29 15+0 19 16+0 21 20+3 21 15+6
130 16+7 30 15+3 20 16+3 22 21+1 22 16+2
135 17+3 31 15+4 21 16+5 23 21+6 23 16+5
140 17+5 32 15+6 22 17+0 24 22+4 24 17+1
145 18+0 33 16+1 23 17+3 25 23+2 25 17+4
150 18+3 34 16+3 24 17+5 26 23+6 26 17+7
155 18+6 35 16+5 25 18+0 27 24+4 27 18+3
160 19+2 36 16+7 26 18+3 28 25+1 28 18+6
165 19+5 37 17+2 27 18+5 29 25+5 29 19+2
170 20+0 38 17+4 28 19+0 30 26+3 30 19+5
175 20+3 39 17+5 29 19+3 31 27+0 31 20+0
180 20+6 40 18+0 30 19+6 32 27+5 32 20+3
185 21+2 41 18+3 31 20+1 33 28+1 33 20+7
190 21+5 42 18+5 32 20+4 34 28+5 34 21+3
195 22+0 43 18+7 33 20+7 35 29+2 35 21+5
200 22+4 44 19+2 34 21+3 36 29+6 36 22+1
205 22+7 45 19+4 35 21+5 37 30+3 37 22+4
210 23+3 46 19+6 36 22+1 38 30+6 38 23+0
215 23+6 47 20+1 37 22+4 39 31+2 39 23+3
220 24+3 48 20+3 38 22+7 40 31+5 40 23+6
225 24+6 49 20+5 39 23+3 41 32+1 41 24+2
230 25+3 50 21+0 40 23+6 42 32+5 42 24+5
235 25+6 51 21+3 41 24+2 43 33+0 43 25+1
240 26+3 52 21+5 42 24+5 44 33+3 44 25+4
245 26+6 53 22+0 43 25+1 45 33+5 45 25+7
250 27+3 54 22+3 44 25+4 46 34+1 46 26+3
255 27+7 55 22+5 45 26+0 47 34+3 47 26+5
260 28+3 56 22+7 46 26+3 48 34+5 48 27+2
265 29+0 57 23+3 47 26+7 49 34+7 49 27+5
270 29+5 58 23+5 48 27+3 50 35+2 50 28+0
275 30+2 59 24+0 49 27+6 51 35+3 51 28+3
280 30+6 60 24+3 50 28+3 52 35+5 52 28+6
285 31+3 61 24+5 51 28+5 53 35+6 53 29+3
290 32+0 62 25+0 52 29+2 54 36+0 54 29+5
295 32+5 63 25+3 53 29+5 55 36+1 55 30+1
300 33+3 64 25+5 54 30+1 56 30+4
305 34+1 65 26+1 55 30+5 57 30+7
310 34+6 66 26+3 56 31+1 58 31+3
315 35+4 67 26+6 57 31+5 59 31+6
320 36+2 68 27+2 58 32+1 60 32+2
325 37+0 69 27+4 59 32+5 61 32+5
330 37+6 70 27+7 60 33+1 62 33+0
335 38+5 71 28+3 61 33+5 63 33+4
340 39+3 72 28+5 62 34+1 64 33+7
345 40+2 73 29+1 63 34+5 65 34+3
350 41+1 74 29+4 64 35+1 66 34+5
355 42+0 75 29+7 65 35+5 67 35+1
360 42+7 76 30+3 66 36+1 68 35+5
77 30+5 67 36+5 69 36+0
78 31+1 68 37+1 70 36+3
79 31+4 69 37+5 71 36+6
80 31+7 70 38+2 72 37+2
81 32+3 71 38+5 73 37+5
82 32+6 72 39+2 74 38+1
83 33+2 73 39+5 75 38+4
84 33+5 74 40+3 76 38+7
85 34+1 75 40+6 77 39+3
86 34+4 76 41+3 78 39+6
87 35+0 77 41+6 79 40+2
88 35+3 78 42+3 80 40+5
89 35+7 79 42+7 81 41+0
90 36+3 82 41+3
91 36+6
92 37+3
93 37+6
94 38+3
95 38+6
96 39+3
97 39+6
98 40+3
99 40+6
100 41+3
图3 妊娠早期依据CRL 和末次月经评估孕龄的临床实践参考流程图 注:CRL 为头臀长
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