Healthdirect Free Australian health advice you can count on.

Medical problem? Call 1800 022 222. If you need urgent medical help, call triple zero immediately

healthdirect Australia is a free service where you can talk to a nurse or doctor who can help you know what to do.

beginning of content

Twins Research Australia

Based at The University of Melbourne, Twins Research Australia (TRA) brings twins and researchers together Australia-wide for vital health research that benefits twins and their families as well as the general community.

TRA’s vision is for a vibrant and unified global twin research community to improve health and medical knowledge for the benefit of all humankind.

Its mission is to generate twin research that demonstrates how new knowledge can improve health and prevent disease.

How Twins Research Australia can help

TRA supports twins and their families. Also, its services are open to all researchers. Online free resources include:

  • findings from the latest twin health studies
  • access to Twin Pregnancy and Parenthood website
  • access to discounted zygosity (DNA) testing to know if your twins are identical or not
  • invites to special twin events like festivals, forums and workshops

Information lines / help lines

Programs, apps and tools

Recommended links

Last reviewed: May 2022

Information from this partner

Found 7 results

Twin study designs – Twins Research Australia

Twin study designs The appropriate study design and analytic method always depends on the specific research question and aim

Read more on Twins Research Australia website

About twins – Twins Research Australia

About twins Twins are generally identified as identical or non-identical (more commonly called fraternal) though there are some rarer types as well

Read more on Twins Research Australia website

Expecting twins – Twins Research Australia

Expecting twins Congratulations from Twins Research Australia on your happy news

Read more on Twins Research Australia website

Health and lifestyle questionnaire – Twins Research Australia

Health and lifestyle questionnaire January 23, 2023September 7, 2023 Eligibility: twins of all ages The Health and Lifestyle Questionnaire will be used to help research

Read more on Twins Research Australia website

Support services – Twins Research Australia

There are many services and resources to support twins and their families. Please let us know if you have other recommendations at

Read more on Twins Research Australia website

How to determine zygosity – Twins Research Australia

How to determine zygosity For twins, zygosity refers to the degree of genetic similarity within each pair

Read more on Twins Research Australia website

Zygosity testing – Twins Research Australia

Zygosity testing How can twins be sure of their zygosity i

Read more on Twins Research Australia website

Healthdirect 24hr 7 days a week hotline

24 hour health advice you can count on

1800 022 222

Government Accredited with over 140 information partners

We are a government-funded service, providing quality, approved health information and advice

Australian Government, health department logo ACT Government logo New South Wales government, health department logo Northen Territory Government logo Queensland Government logo Government of South Australia, health department logo Tasmanian government logo Victorian government logo Government of Western Australia, health department logo

Healthdirect Australia acknowledges the Traditional Owners of Country throughout Australia and their continuing connection to land, sea and community. We pay our respects to the Traditional Owners and to Elders both past and present.