Fibula Length

Chervenak FA, Isaacson GC, Campbell S (eds)

Ultrasound in Obstetrics and Gynecology 1992;

Table A1-12:pg 1783.

Boston: Little, Brown and Company

GA (wks)	-2SD	Mean	+2SD
12	4.6	8	13.1
13	5.4	9.8	16.4
14	9.7	11.7	14.7
15	10	14.2	20.5
16	13.3	18.1	25.3
17	15.8	20.6	27.8
18	18	23.6	32
19	22.3	26.5	32.8
20	24.8	28.8	34.8
21	27.2	31.4	37.7
22	29.1	33.9	41.1
23	31.6	36.8	44.6
24	31.7	39.1	50.2
25	36.4	40.2	45.9
26	38	42	48
27	39.8	45.4	53.8
28	41.5	47.1	55.5
29	44.3	48.9	55.8
30	44.3	50.3	59.3
31	46.8	52.8	61.8
32	48.8	52.8	58.8
33	49.5	54.7	62.5
34	49.6	56.2	66.1
35	54.1	58.9	66.1
36	52.6	59.4	69.6
37	57.7	63.1	71.2
38	53.9	60.7	70.9
39	57	63.4	73
40	58.3	64.9	74.8
41	58.1	64.9	75.1
42	59.8	65.6	74.3