Expert consensus on ultrasound reference values of fetal biological parameters: biparietal diameter, head circumference, abdominal circumference, and femur length

doi:10.3877/cma.j.issn.1672-6448.2024.08.002

Abstract

Prenatal Ultrasound Diagnosis Group of Committee for Birth Defect Prevention and Control of Chinese Association of Preventive Medicine, Gynecology Group of Chinese Society of Ultrasound Medicine of Chinese Medical Association. Expert consensus on ultrasound reference values of fetal biological parameters: biparietal diameter, head circumference, abdominal circumference, and femur length[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2024, 21(08): 757-761.

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Figures/Tables 4

References 31

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参数	测量切面	切面要求及观察内容	游标放置位置
BPD	经丘脑横切面	切面要求：显示颅骨强回声环、大脑镰、透明隔腔、两侧丘脑及丘脑后方的大脑脚观察内容：颅骨强回声环呈椭圆形，大脑镰居中，第三脑室位于丘脑之间	游标置于近端颅骨骨板外缘至远端颅骨骨板内缘（即"外-内"）
HC	经丘脑横切面	切面要求及观察内容同BPD	沿胎儿颅骨外缘包络测量头围径线，不包括头皮及软组织
AC	腹围横切面	切面要求：显示胃泡及脐静脉腹内段观察内容：胃泡位于腹腔左侧；腹主动脉位于脊柱左前方；下腔静脉位于脊柱右前方	沿腹壁皮肤外缘测量
FL	股骨长轴切面	切面要求：显示股骨长轴（双侧）观察内容：观察股骨形态、长短	测量一侧骨化的股骨干骺端中点之间的距离

参数	测量切面	切面要求及观察内容	游标放置位置
BPD	经丘脑横切面	切面要求：显示颅骨强回声环、大脑镰、透明隔腔、两侧丘脑及丘脑后方的大脑脚观察内容：颅骨强回声环呈椭圆形，大脑镰居中，第三脑室位于丘脑之间	游标置于近端颅骨骨板外缘至远端颅骨骨板内缘（即"外-内"）
HC	经丘脑横切面	切面要求及观察内容同BPD	沿胎儿颅骨外缘包络测量头围径线，不包括头皮及软组织
AC	腹围横切面	切面要求：显示胃泡及脐静脉腹内段观察内容：胃泡位于腹腔左侧；腹主动脉位于脊柱左前方；下腔静脉位于脊柱右前方	沿腹壁皮肤外缘测量
FL	股骨长轴切面	切面要求：显示股骨长轴（双侧）观察内容：观察股骨形态、长短	测量一侧骨化的股骨干骺端中点之间的距离

超声测量切面	测量指标	质控要点
经丘脑横切面	BPD、HC	1.丘脑可见 2.透明隔腔可见（18~37周^[14,15]） 3.小脑不可见 4.大脑脚、大脑外侧裂可见 5.对称平面：显示颅骨强回声环，颅骨强回声环呈椭圆形，大脑镰居中 6.感兴趣区图像放大至超声图像区域50%以上 7.测量游标放置正确
腹围横切面	AC	1.胃泡可见 2.脐静脉连接门静脉窦水平 3.脊柱横切面 4.肾脏不可见、肺不可见 5.单侧仅可显示一条肋骨 6.感兴趣区图像放大至超声图像区域50%以上 7.测量游标放置正确
股骨长轴切面	FL	1.股骨上下两侧的干骺端清晰显示 2.声束尽可能垂直于股骨长轴（长轴与水平线的夹角<15°） 3.感兴趣区图像放大至超声图像区域50%以上 4.测量游标放置正确

超声测量切面	测量指标	质控要点
经丘脑横切面	BPD、HC	1.丘脑可见 2.透明隔腔可见（18~37周^[14,15]） 3.小脑不可见 4.大脑脚、大脑外侧裂可见 5.对称平面：显示颅骨强回声环，颅骨强回声环呈椭圆形，大脑镰居中 6.感兴趣区图像放大至超声图像区域50%以上 7.测量游标放置正确
腹围横切面	AC	1.胃泡可见 2.脐静脉连接门静脉窦水平 3.脊柱横切面 4.肾脏不可见、肺不可见 5.单侧仅可显示一条肋骨 6.感兴趣区图像放大至超声图像区域50%以上 7.测量游标放置正确
股骨长轴切面	FL	1.股骨上下两侧的干骺端清晰显示 2.声束尽可能垂直于股骨长轴（长轴与水平线的夹角<15°） 3.感兴趣区图像放大至超声图像区域50%以上 4.测量游标放置正确

孕龄（周）	双顶径（BPD）							头围（HC）
孕龄（周）	3^rd	5^th	10^th	50^th	90^th	95^th	97^th	3^rd	5^th	10^th	50^th	90^th	95^th	97^th
10	10.0	10.2	10.5	11.8	13.3	13.8	14.1	39.9	40.6	41.7	45.9	50.4	51.8	52.7
11	12.9	13.2	13.6	15.2	17.0	17.6	17.9	50.6	51.5	52.8	57.8	63.3	64.9	66.0
12	16.1	16.4	16.9	18.9	21.0	21.7	22.1	62.2	63.2	64.8	70.6	77.0	78.9	80.2
13	19.4	19.8	20.4	22.6	25.1	25.9	26.4	74.3	75.4	77.2	83.9	91.1	93.3	94.7
14	22.8	23.2	23.9	26.4	29.2	30.1	30.6	86.6	87.9	89.9	97.3	105.3	107.7	109.3
15	26.1	26.6	27.3	30.1	33.1	34.1	34.7	98.9	100.3	102.5	110.5	119.2	121.8	123.5
16	29.3	29.8	30.6	33.6	36.9	37.8	38.5	110.9	112.4	114.7	123.3	132.6	135.3	137.1
17	32.4	32.9	33.7	36.9	40.3	41.4	42.1	122.6	124.2	126.6	135.6	145.3	148.1	150.0
18	35.3	35.8	36.7	40.0	43.6	44.7	45.4	133.9	135.6	138.1	147.5	157.4	160.4	162.3
19	38.1	38.7	39.6	43.1	46.8	47.9	48.6	145.1	146.8	149.4	159.0	169.3	172.3	174.3
20	41.0	41.6	42.6	46.1	49.9	51.1	51.8	156.4	158.1	160.8	170.7	181.1	184.2	186.2
21	44.0	44.6	45.6	49.2	53.1	54.3	55.1	167.8	169.6	172.3	182.4	193.0	196.1	198.1
22	47.0	47.6	48.6	52.3	56.4	57.6	58.4	179.3	181.1	183.9	194.0	204.8	208.0	210.0
23	49.9	50.6	51.6	55.5	59.6	60.8	61.6	190.7	192.5	195.3	205.7	216.6	219.7	221.8
24	52.9	53.6	54.7	58.6	62.8	64.1	64.9	201.9	203.8	206.6	217.1	228.1	231.3	233.5
25	55.9	56.6	57.7	61.7	66.0	67.3	68.1	212.9	214.8	217.7	228.3	239.5	242.7	244.9
26	58.8	59.5	60.6	64.7	69.1	70.4	71.3	223.6	225.5	228.4	239.2	250.5	253.8	256.0
27	61.6	62.4	63.5	67.7	72.2	73.5	74.3	233.8	235.8	238.8	249.7	261.2	264.5	266.7
28	64.4	65.1	66.3	70.6	75.1	76.5	77.3	243.6	245.6	248.6	259.8	271.5	274.9	277.1
29	67.0	67.8	69.0	73.3	78.0	79.3	80.2	252.8	254.8	257.9	269.3	281.3	284.7	287.0
30	69.5	70.3	71.5	76.0	80.7	82.1	83.0	261.3	263.4	266.6	278.3	290.6	294.1	296.5
31	71.9	72.7	73.9	78.5	83.3	84.7	85.6	269.2	271.3	274.7	286.7	299.3	303.0	305.4
32	74.1	74.9	76.2	80.8	85.7	87.2	88.1	276.4	278.6	282.1	294.5	307.5	311.3	313.8
33	76.2	77.0	78.3	83.0	88.0	89.5	90.4	282.9	285.2	288.8	301.7	315.2	319.1	321.7
34	78.0	78.9	80.2	85.0	90.1	91.6	92.6	288.8	291.2	294.9	308.3	322.3	326.4	329.0
35	79.7	80.6	81.9	86.8	92.0	93.5	94.5	294.0	296.5	300.3	314.2	328.8	333.0	335.8
36	81.2	82.1	83.5	88.5	93.7	95.3	96.3	298.5	301.1	305.0	319.5	334.7	339.1	342.0
37	82.6	83.5	84.8	89.9	95.3	96.8	97.9	302.3	304.9	309.0	324.1	339.8	344.4	347.5
38	83.7	84.6	86.0	91.1	96.6	98.2	99.2	305.2	308.0	312.2	327.8	344.2	349.0	352.1
39	84.6	85.5	87.0	92.1	97.7	99.3	100.3	307.3	310.1	314.5	330.7	347.7	352.7	355.9
40	85.3	86.2	87.7	93.0	98.6	100.2	101.3	308.3	311.3	315.9	332.6	350.3	355.4	358.8
孕龄（周）	腹围（AC）							股骨长（FL）
孕龄（周）	3^rd	5^th	10^th	50^th	90^th	95^th	97^th	3^rd	5^th	10^th	50^th	90^th	95^th	97^th
10	30.9	31.5	32.4	36.0	40.0	41.2	42.0	1.6	1.7	1.8	2.2	2.6	2.8	2.9
11	39.2	39.9	41.1	45.4	50.1	51.6	52.5	2.9	3.0	3.2	3.8	4.6	4.8	5.0
12	48.4	49.2	50.6	55.7	61.3	63.0	64.1	4.7	4.9	5.1	6.1	7.2	7.6	7.8
13	58.3	59.3	60.9	66.8	73.3	75.2	76.5	7.0	7.3	7.6	8.9	10.5	11.0	11.3
14	68.8	70.0	71.8	78.4	85.7	87.9	89.4	9.8	10.0	10.5	12.2	14.2	14.8	15.3
15	79.7	81.0	83.0	90.4	98.5	100.9	102.5	12.7	13.1	13.6	15.7	18.1	18.8	19.3
16	90.8	92.2	94.3	102.5	111.3	113.9	115.6	15.7	16.1	16.8	19.1	21.9	22.7	23.3
17	101.8	103.3	105.7	114.5	123.9	126.8	128.6	18.7	19.1	19.8	22.4	25.4	26.3	26.9
18	112.9	114.5	117.0	126.3	136.4	139.4	141.4	21.4	21.9	22.6	25.4	28.5	29.5	30.1
19	123.8	125.5	128.1	138.0	148.7	151.8	153.9	24.1	24.6	25.3	28.2	31.5	32.4	33.1
20	134.6	136.4	139.2	149.6	160.8	164.1	166.3	26.7	27.2	28.0	31.0	34.3	35.3	36.0
21	145.3	147.2	150.2	161.1	172.8	176.3	178.6	29.4	29.9	30.7	33.8	37.1	38.1	38.8
22	155.9	157.9	161.0	172.4	184.6	188.2	190.6	32.1	32.6	33.4	36.5	39.9	40.9	41.5
23	166.2	168.3	171.5	183.4	196.2	200.0	202.5	34.7	35.2	36.0	39.1	42.5	43.6	44.2
24	176.3	178.4	181.8	194.3	207.6	211.5	214.1	37.2	37.7	38.6	41.7	45.1	46.2	46.8
25	186.1	188.4	191.9	204.9	218.8	222.9	225.6	39.6	40.2	41.0	44.2	47.7	48.7	49.4
26	195.7	198.1	201.8	215.4	229.9	234.2	237.0	42.0	42.5	43.4	46.6	50.1	51.2	51.8
27	205.2	207.6	211.5	225.8	241.0	245.5	248.4	44.2	44.8	45.7	49.0	52.5	53.5	54.2
28	214.5	217.1	221.2	236.1	252.1	256.8	259.9	46.3	46.9	47.8	51.2	54.8	55.9	56.6
29	223.9	226.7	230.9	246.7	263.4	268.4	271.7	48.4	49.0	49.9	53.4	57.1	58.2	58.9
30	233.4	236.3	240.8	257.3	275.0	280.3	283.7	50.4	51.0	51.9	55.5	59.3	60.4	61.1
31	242.8	245.8	250.5	268.0	286.7	292.3	295.9	52.3	52.9	53.9	57.5	61.4	62.6	63.4
32	252.0	255.2	260.2	278.7	298.5	304.3	308.2	54.1	54.7	55.7	59.5	63.5	64.7	65.5
33	260.9	264.3	269.6	289.1	310.1	316.3	320.4	55.8	56.5	57.5	61.4	65.6	66.8	67.6
34	269.5	273.1	278.7	299.3	321.4	328.0	332.3	57.5	58.1	59.2	63.2	67.5	68.8	69.6
35	277.6	281.4	287.3	309.0	332.4	339.3	343.9	59.0	59.8	60.9	65.0	69.4	70.7	71.5
36	285.2	289.2	295.4	318.3	342.9	350.3	355.1	60.6	61.3	62.4	66.7	71.2	72.5	73.4
37	292.4	296.6	303.1	327.2	353.2	360.9	366.0	62.0	62.7	63.9	68.3	72.9	74.2	75.1
38	299.4	303.7	310.6	335.9	363.2	371.4	376.8	63.3	64.1	65.3	69.7	74.5	75.9	76.8
39	306.2	310.7	317.9	344.5	373.4	382.0	387.7	64.5	65.3	66.6	71.1	76.0	77.4	78.3
40	312.9	317.7	325.2	353.3	383.8	392.9	398.9	65.6	66.4	67.7	72.4	77.4	78.9	79.9

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Expert consensus on ultrasound reference values of fetal biological parameters: biparietal diameter, head circumference, abdominal circumference, and femur length

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