Table 1.

Imaging and Clinical Findings

GA at sonography (LMP), wk	Sonography	MRI	Follow-up Sonography	Follow-up MRI	Outcome	Hemorrhage Present	Choroid Symmetric Posteriorly	Different Echogenicity	Frontal Horn Expanded
Prospective interpretation of hemorrhage (part 1)
19 (18)	R hemorrhage	R hemorrhage	ND	ND	ITP, TAB, Pathology:   platelets <5000	Probably   hemorrhage	Yes	Yes	Yes
16 (15)	L hemorrhage	Normal	Hemorrhage (20 wk),   normal (24, 30 wk)	L hemorrhage   (20 wk)	Bleeding diathesis,   CD (borderline   low platelets, ele-   vated PT and INR)	Probably   hemorrhage	No	Yes	Yes
20 (18)	R hemorrhage	R hemorrhage	Hemorrhage (21,   27 wk), normal   (34 wk)	Hemorrhage (21,   27 wk), normal   (34 wk)	Resolution by   prenatal imaging	Looked like   cyst	Yes	No	Yes
21 (21)	L hemorrhage	L hemorrhage	Hemorrhage (23 wk),   normal (27 wk)	Normal (23 wk)	Resolution by prenatal   imaging	Looked like   cyst	Yes	No	Yes
19 (18)	BL hemorrhage	BL hemorrhage	Hemorrhage (21 wk),   normal (34 wk)	Hemorrhage (21 wk)   normal (34 wk)	NSVD, normal neo-   natal findings	Looked like   cyst	Yes	Yes	Yes
18 (18)	L hemorrhage	L hemorrhage	Hemorrhage, VM   (10 mm) (20, 22 wk)	Hemorrhage VM   (10 mm) (20, 22 wks)	VM by prenatal   imaging	Definitely   hemorrhage	Yes	No	Yes
18 (18)a	L hemorrhage	L hemorrhage	Normal (20, 22 wk)	Normal (20, 22 wk)	Resolution by prenatal   imaging	Normal	NA	NA	NA
19 (19)	L hemorrhageb	L hemorrhage	Hemorrhage (22 wk)	Hemorrhage (22 wk)	TAB, germinal matrix   hemorrhage	Probably   hemorrhage	Could not   tell	Yes	Yes
20 (21)	R hemorrhage,   VM (10 mm)	R hemorrhage,   VM (10 mm),   porencephaly	ND	ND	Grade 4 hemorrhage   and VM by prenatal   imaging	Abnormal   position of   choroid	No	No	No
19 (19)	R hemorrhage,   CPC	Normal	ND	ND	NSVD, normal neonatal   findings	Looked like   cyst	Yes	No	Yes
19 (19)	L hemorrhage	Normal	Normal (21, 25, 32 wk)	Normal (21, 25, 32 wk)	NSVD, normal neonatal   findings	Probably   hemorrhage	Yes	Yes	Yes
20 (20)	L hemorrhage	L hemorrhage	Normal (22, 24, 28,   34 wk)	Normal (22, 24, 28,   34 wk)	NSVD, normal neonatal   findings	Probably   hemorrhage	Yes	Yes	Yes
22 (22)	R hemorrhage	Normal	Hemorrhage (24, 28 wk)	Normal (28 wk)	CD, normal neonatal   findings, normal head   sonographic findings   at birth	Looked like   cyst	Yes	No	Yes
18 (18)	L hemorrhage	L hemorrhage	Hemorrhage (20 wk),   asymmetric ventricles   (9 and 8 mm, 27 wk)	ND	CD, normal neonatal   findings	Looked like   cyst	Yes	No	Yes
29 (29)	BL intraventricular   parenchymal   and extra-axial   hemorrhage,   BL VM	BL intraventricular   parenchymal   and extra-axial   hemorrhage,   BL VM	ND	ND	Grade 4 hemorrhage   and VM by prenatal   imaging, TAB, no   autopsy	Definitely   hemorrhage	Yes	Yes	Yes
34 (36)	BL hemorrhage,   porencephaly	BL hemorrhage,   porencephaly	ND	ND	Grade 4 hemorrhage   by prenatal imaging	Definitely   hemorrhage	No	No	Yes
15 (16)	BL hemorrhage	ND	ND	ND	NSVD, normal neonatal   findings	Probably   hemorrhage	Yes	No	No
Retrospective interpretation of hemorrhage (part 2)
19 (19)	L hemorrhage	ND	Hemorrhage (21 wk),   normal (26, 28, 32,   36, 38 wk)	ND	CD, normal neonatal   findings	Abnormal   position	Yes	Yes	Yes
17 (18)	R hemorrhage	ND	Hemorrhage (22 wk),   normal (33 wk)	ND	NSVD, normal neonatal   findings	Probably   hemorrhage	No	No	Yes
17 (17)	L hemorrhage	ND	Normal (26 wk)	ND	CD, normal neonatal   findings	Probably   hemorrhage	Yes	Yes	Yes

BL indicates bilateral; CD, cesarean delivery; CPC, choroid plexus cyst; GA, gestational age; INR, international normalized ratio; ITP, idiopathic thrombocytopenic purpura; L, left; NA, not applicable; ND, not done; NSVD, normal spontaneous vaginal delivery; PT, prothrombin time; R, tight; TAB, therapeutic abortion; and VM, ventriculomegaly.

^aTwin of above.

^bOther findings of horseshoe kidney and 2-vessel cord.