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Table 2: Subject demographics and MR imaging examination findings
Subject Dx GA (wk) Structural Abnormality Low Volume Ventriculomegaly Signal Abnormality DWI Abnormality T2* Abnormality Documented Progression
1 VOGM 36.9 Yes Yes Yes Yes 
2 NG-AVF 28.6 Yes No No Yes Yes Yes Fetal
29.4 Yes No No Yes No Yes
3 VOGM 20.4 Yes No No Yes Fetal
21.9 Yes Yes No Yes No Yes
4 VOGM 32.3 Yes Yes No No No Postnatal^{^a}
5 VOGM 35.3 Yes Yes Yes Yes Yes Yes Postnatal^{^a}
6 VOGM 29.3 Yes Yes No Yes No Yes Fetal
31.7 Yes Yes Yes Yes No Yes
33 Yes No No Yes Yes Yes
7 VOGM 26.7 No No No No Yes Fetal
30.3 Yes Yes Yes Yes No 
8 NG-AVF 32.0 Yes Yes No Yes Yes Yes Fetal
35.0 Yes Yes No Yes No Yes
Note:—Dx indicates diagnosis; GA, gestational age; wk, weeks.
↵a Immediate postnatal exam.

Subject	Dx	GA (wk)	Structural Abnormality	Low Volume	Ventriculomegaly	Signal Abnormality	DWI Abnormality	T2* Abnormality	Documented Progression
1	VOGM	36.9	Yes	Yes	Yes	Yes
2	NG-AVF	28.6	Yes	No	No	Yes	Yes	Yes	Fetal
2	NG-AVF	29.4	Yes	No	No	Yes	No	Yes
3	VOGM	20.4	Yes	No	No	Yes			Fetal
3	VOGM	21.9	Yes	Yes	No	Yes	No	Yes
4	VOGM	32.3	Yes	Yes	No	No	No		Postnatal^{^a}
5	VOGM	35.3	Yes	Yes	Yes	Yes	Yes	Yes	Postnatal^{^a}
6	VOGM	29.3	Yes	Yes	No	Yes	No	Yes	Fetal
		31.7	Yes	Yes	Yes	Yes	No	Yes	Fetal
		33	Yes	No	No	Yes	Yes	Yes
7	VOGM	26.7	No	No	No	No	Yes		Fetal
7	VOGM	30.3	Yes	Yes	Yes	Yes	No
8	NG-AVF	32.0	Yes	Yes	No	Yes	Yes	Yes	Fetal
8	NG-AVF	35.0	Yes	Yes	No	Yes	No	Yes