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Mr. Wigley
To ask the Secretary of State for Wales how many sets of (a) twins, (b) triplets, (c) quadruplets, (d) quintuplets and (e) sextuplets were born in Wales in each year since 1990; and how many multiple births in each category were conceived as a result of (i) in vitro fertilisation, (ii) gamete intra-fallopian transfer and (iii) other forms of assisted conception. [8176]
Mr. Win Griffiths
The available information on multiple maternities in Wales recorded by the Office for National Statistics is as follows:
| 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | |
| Twins | 397 | 416 | 423 | 399 | 431 | 417 | 436 |
| Triplets | 11 | 6 | 8 | 8 | 11 | 14 | 12 |
| Quadruplets | 1 | 0 | 0 | 1 | 0 | 1 | 1 |
| Quintuplets | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Sextuplets | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Figures relating to multiple births following assisted conception are only available for the United Kingdom as a whole and are contained in the Human Fertilisation and Embryology Authority annual report, copies of which are held in the Library of the House.