Table 6. Clinical pregnancy rate, delivery rate and gestational order according to the number of embryos transferred in FET in 2014.
Number of transferred embryos	Total ET		CPR/ET	Deliveries
	number	%		Total (number)	DR/ET	Singleton (%)	Twin (%)	≥ Triplets (%)
1	2917	22.24	27.36	650	22.28	98.61	1.39	0.00
2	8096	61.74	38.33	2539	31.36	77.31	22.25	0.43
3	1949	14.86	32.38	508	26.06	74.21	23.23	2.56
≥4	152	1.16	30.92	37	24.34	52.63	39.47	7.89
Total	13114	100.0	34.92	3734	28.47	80.34	18.93	0.72
ET = embryo transfers. CPR = clinical pregnancy rate. DR = delivery rate.