Table 3.

Ultrasonographic characteristics and pregnancy outcome of 26 UPSVS fetuses

No.	Type of UPSVS	Complicated cardiac anomalies	CVPS scoring	Complicated extracardiac anomalies	Karyotype and CNV-Seq	Fetal outcomes
1	I	-	5	SUA	-	Terminated
2	I	-	7	-	N/A	Terminated
3	I	-	6	-	N/A	Terminated
4	I	VSD	5	CDH	N/A	Terminated
5	II	ARSA	9	-	47,XN,+21	Terminated
6	II	-	10	-	47,XY,+21	Terminated
7	II	VSD	9	FGR, ANB	47,XN,+21	Terminated
8	II	-	10	-	-	Term birth
9	II	-	10	-	-	Term birth
10	II	-	10	-	-	Term birth
11	II	-	5	-	47,XN,+21	Stillbirth
12	II	-	10	TRAPs	-	Terminated
13	II	-	6	AHP	N/A	Terminated
14	II	-	10	-	-	Term birth
15	IIIA	TGA, RAOA	10	RPD, HN, SUA	N/A	Terminated
16	IIIA	-	10	R-MCDK	-	Terminated
17	IIIA	-	6	-	-	Terminated
18	IIIB	-	4	FGR, ANB	47,XN,+3(8)/46,XN(44)	Terminated
19	IIIB	-	10	-	N/A	Term birth
20	IIIB	-	10	SUA	46,XX,del(10)(q26.37)	Terminated
21	IIIB	-	10	-	-	Stillbirth
22	IIIB	-	10	-	46,XY,dup(8)(p23.1)	Terminated
23	IIIB	-	5	FE	N/A	Terminated
24	IIIB	-	8	AHP, CPC	47,XY,+18	Terminated
25	IIIB	VSD	9	CPC	47,XY,+18	Terminated
26	IIIB	-	10	-	N/A	Term birth

“-”: normal test/ ultrasonographic result

N/A: Karyotype and CNV-Seq were not performed

VSD: ventricular septal defect; CDH: congenital diaphragmatic hernia; ARSA: aberrant right subclavian artery; TGA: complete transposition of great arteries; RAOA: right aortic arch; SUA: single umbilical artery; CPC: choroid plexus cyst; RPD: right pulmonary agenesis or dysplasia; HN: hydronephrosis; ANB: absent nasal bone; FE: fetal edema; AHP: abnormal hand posture; TRAPs: twin reversed arterial perfusion sequence; R-MCDK: right polycystic dysplasia kidney; FGR: fetal growth restriction