Table 7. Clinical pregnancy rate, delivery rate and gestational order according to the number of embryos transferred in OD(FET) in 2014.
Number of transferred embryos	Total ET		CPR/ET	Deliveries
	Number	%		Total (number)	DR/ET	Singleton (%)	Twin (%)	≥ Triplets (%)
1	670	20.54	33.43	179	26.72	96.65	3.35	0.00
2	1930	59.17	39.69	623	32.28	76.08	23.43	0.48
3	608	18.64	37.50	192	31.58	71.88	27.08	1.04
≥4	54	1.66	35.19	15	27.78	53.33	33.33	13.33
Total	3262	100.00	37.92	1009	30.93	78.59	20.71	0.69
ET = embryo transfers. CPR = clinical pregnancy rate. DR = delivery rate.