Table 2. Pregnancy induced complications in IVF singletons and spontaneously conceived controls population.
Complications	AP Group (ART conception) N=1125	SP Group (Spontaneous conception) N=7193	p-value
Gestational hypertension	156 (13.9%)	506 (7.0%)	<0.001
Preeclampsia (PE)	37 (3.3%)	120 (1.7%)	<0.001
Eclampsia	2 (0.2%)	26 (0.4%)	0.323
Gestational diabetes	217 (19.3%)	663 (9.2%)	<0.001
Oligohydramnios	23 (2.0%)	231 (3.2%)	0.034
Polyhydramnios	5 (0.4%)	40 (0.6%)	0.635
Abruptio placentae	12 (1.1%)	40 (0.6%)	0.043
Placenta previa	6 (0.5%)	47 (0.7%)	0.638
Mode of deliveryNormal deliveryCaesarean sectionForceps/vacuum delivery	228 (20.3%)873 (77.6%)24 (2.1%)	3501 (48.7%)3083 (42.9%)609 (8.5%)	<0.001
Chorioamnionitis	32 (2.8%)	3 (0.01%)	<0.001