Table 5. Clinical pregnancy rate, delivery rate and gestational order according to the number of embryos transferred in fresh OD cycles in 2014.
Number of transferred embryos	Total ET		CPR/ET	Deliveries
	number	%		Total (number)	DR/ET	Singleton (%)	Twin (%)	≥ Triplets (%)
1	499	8.10	43.89	172	34.47	97.09	2.91
2	4281	69.49	51.53	1852	43.26	68.03	31.32	0.65
3	1246	20.22	51.69	548	43.98	67.52	29.56	2.92
≥4	135	2.19	48.15	52	38.52	76.92	23.08
Total	6161	199	50.87	2624	42.59	70.01	28.93	1.07
ET = embryo transfers. CPR = clinical pregnancy rate. DR = delivery rate.