Kidney Length

Chervenak FA, Isaacson GC and Campbell S (eds).

Ultrasound in Obstetrics and Gynecology, 1992;

Table A1-15:pg 1784. Boston: Little Brown and Company

GA (wks)	-2SD	Mean	+2SD
14	8.9	11.3	13.7
15	7.6	11	14.4
16	13	13	13
17	12.6	15.6	18.6
18	12	17	22
19	15	18.2	21.4
20	17.5	21.7	25.4
21	17.1	22.7	28.3
22	16.2	23.4	30.6
23	17.3	25.9	34.5
24	22.1	30.1	38.1
25	25.1	30.1	35.1
26	23.6	32.4	41.2
27	22.3	33.1	43.9
28	22.7	32.3	41.9
29	22.7	34.5	41.3
30	28	36.2	44.4
31	30.7	38.1	45.5
32	28.9	39.1	49.3
33	31.7	40.7	49.7
34	31.4	40.8	50.2
35	32.2	41.4	50.6
36	32.8	43.2	53.6
37	35.4	42.8	50.2
38	32.7	41.7	50.7
39	35.4	43.8	52.2
40	35.9	45.9	55.9
41	35.7	44.9	54.1
42	35.6	45	54.4