Table 3.

Delivery outcome and neonatal conditions after IVF-ET.

	Previous cesarean section group		Previous vaginal delivery group
	Singleton delivery1	Multiple delivery2	Singleton delivery3	Multiple delivery4
Number of cases	42	17	27	14
Live births(cases)	42	35	27	28
Gestational age of delivery (weeks)	38.31±1.24	35.24±2.46*	38.44±1.85	37.00±1.24*
Gestational age of delivery (cases)
37–40 weeks	39	7	25	11
34–36 weeks	3	6	1	3
<34 weeks	0	4	1	0
Preterm birth rate(%)	7.14 (3/42)	58.82 (10/17)*	7.41 (2/27)	21.43 (3/14)*
Birth weight (g)	3449.52±486.46	2428.57±492.49	3379.63±518.92	2637.31±388.78
Birth defects (cases)	0 (0/42)	3 (3/35)	0 (0/27)	0 (0/28)

Gestational age of delivery P^{1, 3}=0.533; P^{2, 4}=0.022. Preterm birth rate P^{1, 3}=0.967; P^{2, 4}=0.036. Birth weight P^{1, 3}=0.397; P^{2, 4}=0.271. Birth defects P^{2, 4}=0.258.