胎儿孕龄对照表

通过头臀长(CRL)、头围(HC)等超声测量数据，快速查询胎儿孕龄，覆盖孕早期到孕晚期，助您了解胎儿发育进程。

绿色工具

基于头臀长值(CRL)估算孕龄表 (适合孕早期)

CRL（mm）	孕龄（周）
15	8+3
16	8+3
17	8+4
18	8+5
19	8+6
20	8+6
21	9+0
22	9+1
23	9+1
24	9+2
25	9+3
26	9+3
27	9+4
28	9+5
29	9+5
30	9+6
31	10+0
32	10+0
33	10+1
34	10+2
35	10+2
36	10+3
37	10+3
38	10+4
39	10+5
40	10+5
41	10+6
42	10+6
43	11+0
44	11+1
45	11+1
46	11+2
47	11+2
48	11+3
49	11+4
50	11+4
51	11+5
52	11+5
53	11+6
54	11+6
55	12+0
56	12+1
57	12+1
58	12+2
59	12+2
60	12+3
61	12+3
62	12+4
63	12+4
64	12+5
65	12+6
66	12+6
67	13+0
68	13+0
69	13+1
70	13+1
71	13+2
72	13+2
73	13+3
74	13+3
75	13+4
76	13+4
77	13+5
78	13+6
79	13+6
80	14+0
81	14+0
82	14+1
83	14+1
84	14+2
85	14+2
86	14+3
87	14+3
88	14+4
89	14+4
90	14+5
91	14+5
92	14+6
93	14+6
94	15+0
95	15+0

基于单一测量指标估算孕龄估算孕龄表 (适合孕中晚期)

注：HC 为头围；BPD 为双顶径；FL 为股骨长；TCD 为小脑横径；FoL 为足长；

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

相关工具

Fetal Weight Calculator

Online fetal weight calculator, estimates fetal weight based on obstetric data, supports multiple calculation formulas.

免费

Fetal Weight Gestational Age Reference Table

NICHD Asian singleton fetal gestational age weight reference table, helping you quickly assess fetal development.

免费

Fetal Gestational Age Calculator

Fetal Gestational Age Calculator: Accurately calculates fetal gestational age based on ultrasound data (e.g., CRL, BPD, HC, FL), helping you understand gestational weeks and estimate the due date.

免费

UserAgent Parsing

UserAgent parsing tool, quickly parses UserAgent strings to obtain browser, system, device, and other information.

免费

Random User-Agent Generator

Quickly generate random User-Agents, simulate browser information for different platforms and devices, enhancing network access privacy and flexibility.

免费

Storage Unit Converter

Online storage unit conversion tool, supporting quick conversion between units like EB, PB, TB, GB, MB, KB, B, bit.

免费

Common User-Agent Lookup

Provides an online list of common User-Agent strings, covering PC and mobile devices, for easy lookup and copying, assisting with development and debugging.

免费

Image Format Converter

Online image format converter, free and supports mutual conversion of various image formats such as JPG, PNG, WebP, enabling quick image format conversion.

免费