HC Deb 25 May 1993 vol 225 c501W
Mr. Wigley

To ask the Secretary of State for Northern Ireland what were the total numbers of sets of (i) twins, (ii) triplets, (iii) quadruplets, (iv) quintuplets and

Type 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 11992
Sets of:
(i) Twins 298 305 306 263 304 272 281 322 287 281 267 315 258
(ii) Triplets 4 3 2 4 3 3 2 7 1 2 5 6 8
(iii) Quadruplets — 1 — — — — 1 — 1 — — — —
(iv) Quintuplets — — — — — — — — — — — 1 —
(v) Sextuplets — — — — — — — — — — — — —
Maternities 28,542 27,229 26,905 27,188 27,547 27,529 27,989 27,694 27,614 25,928 25,338 26,058 25,425
(a) IVF2 3
(i) Twins — 7 5 12 11 N/K
(ii) Triplets — — 1 2 1 N/K
(b) GIFT3 — —
1 Provisional.
2 These figures are the results of IVF by year of conception.
3 IVF has been available in Northern Ireland only since 1987.
GIFT was available in Northern Ireland in only 1986 and 1987.