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Number of observations in relation to gestational age. Mean length of the pericallosal artery (millimeter) in relation to gestational age (±SD)
Gestational Age (wk)Fetuses (No.)Mean Length of Pericallosal Artery (mm)SD
1134.430.78
12134.10.44
13106.31.22
14116.960.66
1557.751.08
16119.681.48
17912.342.19
18913.151.7
19715.661.43
20916.821.8
21220.552.86
22118.430.36