Table 4. Clinical pregnancy rate, delivery rate and gestational order according to the number of embryos transferred in IVF and intracytoplasmic sperm injection cycles in 2016
Number of transferred embryos	Total embryo transfer		Clinical pregnancy		Deliveries
	Number	%	Number	%	Number of deliveries	Delivery rater per embryo transfer (%)	Singleton (n)	Singleton (%)	Twin (n)	Twin (%)	≥ Triplets (n)	≥ Triplets (%)
1	5,614	22.96	1,215	21.64	862	15.35	847	98.26	15	1.74	0	0.00
2	15,057	61.58	5,557	36.91	4,158	27.62	3,274	78.74	867	20,85	17	0.41
3	3,442	14.08	1,217	35.36	945	27.45	732	77.46	199	21.06	14	1.48
≥4	338	1.38	100	29.59	68	20.12	54	79.41	12	17.65	2	2.94
Total	24451	100	8089	33.08	6033	24.67	4907	81.34	1093	18.12	33	0.55