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Embryology

Volume 693: debated on Tuesday 19 June 2007

asked Her Majesty's Government:

How many human embryos have been created each year since the passage of the Human Fertilisation and Embryology Act 1991; and how many cloned human embryos have been created since 2001. [HL4212]

Information on the number of embryos created is shown in the table:

Total number of embryos created 1991 to 2004 (1)

Year (calendar)

Embryos created as part of treatment cycles

Embryos created in non-treatment cycles (2)

1991

26,543

-

1992

75,456

-

1993

92,809

-

1994

106,425

-

1995

126,078

-

1996

148,691

-

1997

146,066

-

1998

163,206

-

1999

163,840

575

2000

170,406

728

2001

176,947

603

2002

178,794

724

2003

179,906

968

2004

185,409

1,038

No data are held by the department, nor are data routinely collected by the Human Fertilisation and Embryology Authority, on the number of embryos created using cell nuclear replacement (cloning) as part of a research project.

Notes:

(1) 2004 is the most recent year for which information is available.

(2) These are in vitro fertilisation cycles that, although started, did not progress to embryo transfer as part of that cycle of treatment. These embryos may have been used in a patient's later frozen treatment cycles or for embryo donation. No data are held for the years 1991 to 1998.

Source: Human Fertilisation and Embryology Authority.