Cross-Sectional Diameter of the Heart

Jeanty P, Romero R, Cantraine F et.al.

Fetal cardiac dimensions: a potential tool for the diagnosis

of congenital heart defects.

J Ultrasound Med 1984;3:359-364

GA (wks)	5th Percentile	50th Percentile	95th Percentile
12	4	5	6
13	5	6	7
14	6	7	8
15	7	8	10
16	8	10	11
17	9	11	13
18	10	12	15
19	11	14	16
20	13	15	18
21	14	17	20
22	15	18	21
23	16	20	23
24	18	21	25
25	19	23	27
26	20	24	28
27	22	26	30
28	23	27	32
29	24	29	34
30	25	30	35
31	26	32	37
32	28	33	38
33	29	34	40
34	30	35	41
35	30	37	43
36	31	38	44
37	32	39	45
38	33	39	46
39	33	40	47
40	33	41	48