Table 2. Maternal complications.

Complications	SC (n = 221)	IVF (n = 249)	Adjusted OR	Adjusted 95% CI	P value
Gestational diabetes mellitus	32 (14.5)	56 (22.5)	1.24	0.74∼2.10	0.42
Hypertensive disorder	27 (12.2)	29 (11.6)	0.95	0.52∼1.77	0.88
Premature rupture of membranes	23 (10.4)	25 (10.0)	0.72	0.37∼1.38	0.32
Maternal anemia	110 (49.8)	141 (56.6)	1.51	1.01∼2.26	0.05
Placenta previa	5 (2.3)	12 (4.8)	2.08	0.66∼6.61	0.21
Placental accreta	7 (3.2)	13 (5.2)	1.33	0.48∼3.69	0.58
Postpartum hemorrhage	16 (7.2)	23 (9.2)	1.20	0.58∼2.48	0.63
Intrahepatic cholestasis of pregnancies	11 (5)	14 (5.6)	1.25	0.51∼3.09	0.63
Polyhydramnios	8 (3.6)	9 (3.6)	0.80	0.28∼2.31	0.68

Notes.

OR is the abbreviation of odds ratio, and CI is the abbreviation of confidence interval.