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Human Assisted Reproduction Live Birth Rates for Canada PDF Print E-mail
Thursday, 13 November 2008 09:31
FOR IMMEDIATE RELEASE - 11 October 2007

The Canadian Fertility and Andrology Society (CFAS) today released the seventh annual nation-wide results on assisted reproduction success rates in Canada. The CFAS reports that the data are very reassuring for Canadians. The rates of pregnancy and live birth in the country’s fertility clinics are on par with other national registries, including the United States. The complication rate remains low.
Under the leadership of the CFAS and the IVF Medical Directors of Canada, all in vitro fertilization (IVF) centres in Canada voluntarily participated in the collection of nationwide data on the results of assisted reproduction. The data were presented at the 10th annual meeting of the Directors of Canadian IVF Centres, held in Halifax, NS, under the auspices of the CFAS.

Live birth rates were reported for a combined total of 8195 IVF treatment cycles (including intracytoplasmic sperm injection [ICSI]) undertaken in all 25 IVF centres in Canada in 2005. There were 2235 IVF/ICSI treatment cycles performed in Western Canada, 4334 cycles in Ontario, 1416 cycles in Quebec, and 210 cycles in Atlantic Canada.

  • The overall live birth rate was 26% per cycle started
  • 69% of births were singletons.
  • 95% of the multiple births were twins.
  • The live birth rates by age of the mother were:
  • for women under 35 years old, the live birth rate was 32%
  • for women aged 35-39 years, the live birth rate was 24%
  • for women 40 years old and over, the live birth rate was 12%.
  • The proportion of babies with congenital anomalies was not different from that in the population of women conceiving naturally.
  • The miscarriage rate was 16% per clinical intrauterine pregnancy, which is also in keeping with the overall miscarriage rate for natural conceptions.
Preliminary results were reported for a combined total of 7506 IVF/ICSI treatment cycles undertaken in 23 out of 25 IVF centres in 2006:
  • The overall pregnancy rate was 32% per cycle started; an increase of 6 percentage points since 1999 when data collection was first performed.
  • Complications occurred in fewer than 2% of treatment cycles.
  • 68% of pregnancies were singletons.
  • 92% of the multiple pregnancies were twins.

As expected, the woman’s age had a strong influence on pregnancy rate:

  • for women under 35 years old, the pregnancy rate was 39%
  • For women aged 35-39 years, the pregnancy rate was 32%
  • for women 40 years old and over, the pregnancy rate was 17%.
Live birth rates for assisted reproduction cycles started in 2006 will be released when they become available.

The CFAS makes these data available for reference and education. The information should be reviewed together with an appropriate health care professional. Results vary by centre and specific information can be obtained from each centre. A list of the participating IVF centres is available on request through the CFAS.

Contact:
Dr. Roger Pierson
Chair, Communications Committee, CFAS
University of Saskatoon
Saskatoon, SK
306-966-4458

Dr. Al Yuzpe
Co-Chair, IVF Directors Group
Genesis Fertility Centre
Vancouver, BC
604-879-3032

Dr. François Bissonnette
Co-Chair, IVF Directors Group
la Clinique de fertilité OVO
Montréal, QC
514-798-2000

Dr. Warren Foster
President, CFAS
McMaster University
Hamilton, ON
905-525-9140, ext 22822