Table 1:

GA predicted from iuMR imaging compared with the actual gestational age in 20 cases of fetal ACC and age-matched normal cases

Pair Number	ACC			Normal
Pair Number	Predicted GA	Actual GA	Difference (Weeks)	Predicted GA	Actual GA	Difference (weeks)
1	21	21	0	22	21	+1
2	21	22	−1	22	21	+1
3	22	22	0	22	21	+1
4	22	22	0	22	22	0
5	22	22	0	23	23	0
6	22	22	0	24	23	+1
7	23	24	−1	23	24	−1
8	23	24	−1	23	24	−1
9	24	24	0	24	24	0
10	23	25	−2	23	24	−1
11	25	25	0	24	24	0
12	28	25	+3	24	26	−2
13	29	30	−1	30	30	0
14	30	30	0	32	30	+2
15	31	31	0	33	31	+2
16	29	31	−2	34	31	+3
17	32	32	0	30	32	−2
18	31	33	−2	34	33	+1
19	34	33	+1	34	33	+1
20	34	34	0	34	34	0

Note:—Cases 1–12 were included as group 1 for subgroup analysis, while cases 13–20 were group 2.