Table 2

HFEA outcome data obtained for the study period

							Total/comment
Number of oocytes collected	0	1–5	6–15	16–25	26–49	>50
Total cycles*	10 148	42 574	91 797	23 794	3970	58	162 135
Total number of oocytes	N/A	N/A	N/A	N/A	N/A	N/A	1 624 912
Total number of embryos created		N/A	N/A	N/A	N/A	N/A	931 265
% Conversion to embryos from oocytes		N/A	N/A	N/A	N/A	N/A	57.31%
Embryos frozen for own use	N/A	N/A	N/A	N/A	N/A	N/A	219 563
% Embryos created frozen	N/A	N/A	N/A	N/A	N/A	N/A	23.58%
Total patients*	9439	38 027	83 983	23 172	3929	58	149 111
Live birth occurrence	N/A	7330	29 729	8395	743	N/A	46 197
% LB occurrence from embryos created		N/A	N/A	N/A	N/A	N/A	4.96%
LBR/cycle	N/A	17.22	32.39	35.28	18.71	N/A
MGP	N/A	671	3262	958	84	N/A	4975
MGP rate	N/A	9.15	10.97	11.41	11.31	N/A
Patients with repeat cycles	709	N/A	N/A	N/A	N/A	N/A
Number of oocytes equivalent for 1 LB		N/A	N/A	N/A	N/A	N/A	35.2
LB from oocytes collected	N/A	N/A	N/A	N/A	N/A	N/A	2.84%
Biological wastage from oocyte retrieval (real-time status)		N/A	N/A	N/A	N/A	N/A	97.16%

Data provided by the HFEA under the FOI Act 2000.
*Final total excludes 0 oocytes and 50+ oocytes cycles in final total value.
HFEA, Human Fertilisation & Embryology Authority; LBR, live birth rate; MGP, multiple gestation pregnancy; N/A, not available.