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In Vitro Fertilisation

Question for Department of Health

UIN HL2858, tabled on 31 October 2016

To ask Her Majesty’s Government with regard to (1) oocytes frozen for a patient's own use in the UK, and (2) frozen oocytes used for the purpose of donation to another woman, for each year from 2008 to 2015 (a) how many oocytes were frozen and how many have been thawed for the purposes of treatment by in vitro fertilisation; (b) of those which were thawed, how many were successfully fertilised and appeared to develop normally; and (c) of those, how many were transferred to a uterus, and how many of those transfers resulted in (I) a pregnancy, (ii) miscarriage, or (iii) live birth.

Answered on

8 November 2016

The Human Fertilisation and Embryology Authority has provided data which can be found in the attached document. Table 1 shows the numbers of oocytes that have been frozen. Table 2 shows where a patient’s own oocytes have been thawed for their own use. Table 3 shows where the patient has used thawed donated oocytes and the outcomes.

Table 1 is below. Tables 2 and 3 can be found in the attached document.

Table 1 - the numbers of oocytes that have been frozen.

Year of Treatment

Number of eggs frozen for patient’s own use

Number of eggs frozen for donation

2008

2367

117

2009

2697

156

2010

2856

80

2011

3846

244

2012

4583

456

2013

5945

1090

2014

7190

2497

2015 (Mid year for treatments)

4431

2265

Answered by

Department of Health and Social Care