The clinical outcomes of selective and spontaneous fetal reduction of twins to a singleton pregnancy in the first trimester: a retrospective study of 10 years

Table 2 Pregnancy outcomes and complications (% (n))

	SEFR (n = 390)	SPFR (n = 865)	SET (n = 4667)	X²	P
Miscarriage	5.13(20)^b	2.54(22)	2.08(97)	14.78	0.001
Live birth	93.85(366)^b	95.61(827)	96.91(4523)	12.62	0.002
GDM	6.15(24)	6.94(60)^c	4.37(204)	24.05	< 0.001
Gestational hypertension	7.95(31)	7.63(66)	6.73(314)	1.58	0.455
Placental abnormalities	5.90(23)	5.90(51)	6.71(313)	1.06	0.588
PPROM	2.82(11)	3.35(29)^c	2.01(94)	6.50	0.039
Abnormal amniotic fluid volume	2.05(8)	3.12(27)	1.95(91)	4.82	0.090

GDM Gestational diabetes mellitus, PPROM Preterm premature rupture of membranes, ^a indicates SEFR and SPFR have significant difference, ^b indicates SEFR and SET have significant difference, ^c indicates SPFR and SET have significant difference

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