Supplementary Table 7b. Clinical pregnancy rate, delivery rate and gestational order according to the number of embryos transferred in Frozen/thawed OD in 2018.
Number of embryos transferred	Embryo transfers		Clinical pregnancies		Deliveries
	Number	%	Number	CPR (%)	Number of deliveries	Delivery rater per embryo transfer (%)	Singleton (n)	Singleton (%)	Twin (n)	Twin (%)	≥ Triplets (n)	≥ Triplets (%)
1	3532	46.9	1305	36.9	939	26.6	918	97.8	21	2.2	0	0.0
2	3350	44.5	1538	45.9	1147	34.2	829	72.3	314	27.4	4	0.3
≥3	650	8.6	315	48.5	250	38.5	147	58.8	93	37.2	10	4.0
Total	7532	100.0	3158	41.9	2336	31.0	1894	81.1	428	18.3	14	0.6