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Assisted reproductive technology in Australia and New Zealand 2011

Assisted reproductive technology in Australia and New Zealand 2011^[1] August 2013

• 66,347 treatment cycles undertaken in Australia and New Zealand.
• 23.1% resulted in a clinical pregnancy and 17.5% in a live delivery (the birth of at least one liveborn baby).
• 12,623 babies (including 12,443 liveborn) born following ART treatment.
• decrease rate of multiple deliveries, 10.0% in 2007 to 6.9% in 2011.
  • achieved by clinicians and patients shifting to single embryo transfer, with the proportion increasing from 63.7% in 2007 to 73.2% in 2011.
  • decrease in the multiple delivery rate was achieved while clinical pregnancy rates remained stable at about 23.0% per initiated cycle.
• between 2009 and 2011 cumulative live delivery rate was 21.1% after the first cycle, increasing to 31.1% after two cycles, 36.0% after three cycles, 38.6% after four cycles, and 40.0% after five cycles.
• cumulative live delivery rate did not increase markedly with additional treatments after five cycles.

Reference

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