Table 4.

Clinical pregnancy rate, delivery rate and gestational order according to the number of embryos transferred in fresh autologous IVF/ICSI cycles in 2012

Number of transferred embryos	Total ET		CPR/ET	Deliveries
	Number	%		Total (number)	Singleton	Twin	≥Triplets
1	3,731	15.5%	16.9%	470	96.2%	3.8%	0.0%
2	13,392	55.7%	36.9%	4,025	78.1%	21.5%	0.4%
3	6,052	25.2%	37.8%	1,770	73.1%	23.5%	3.3%
≥4	872	3.6%	34.5%	216	82.4%	16.7%	0.9%
Total	24,047	100.0%	34.2%	6,481	78.2%	20.6%	1.2%

ET= embryo transfers

CPR= clinical pregnancy rate