There has been an overall increasing trend in multiple births in the last two decades, attributed largely to the increased use of fertility drugs and assisted reproduction technology, delay in childbearing and the growing number of older mothers. However, there had been a decrease in the proportion of triplet and higher order multiple births in recent years - until this past year which actually saw an increase from 65 to 84 births.

In 2015 there were:

  • 4730 sets of twins, representing 1.6% of all births
  • 84 sets of triplets and and higher order multiples, representing 0.03% of all births

These figures are from the Australian Bureau of Statistics, the Australian Institute of Health and Welfare and the Perinatal Statistics Unit. The latest report for the ABS is for 2015; the AIHW is from 2014 and the Perinatal report is also from 2010.

Twins Research Australia

Address: 3/207 Bouverie St
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Email: info@twins.org.au

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Twins Research Australia is a national resource supported by a Centre of Research Excellence Grant from the National Health and Medical Research Council and housed within the University of Melbourne.

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