Registration fee: 

ISTS members and undergraduate/PhD students: free

Non-ISTS-members: via ISTS membership:

- Full members: AUD180/~EUR115/~USD130
- Student members: AUD100/~EUR65/~USD75
- Non-professional/retired: AUD140/~EUR90/~USD105

1 day registration fee:  AUD90/~EUR57/~USD65

ICOMBO members: free

Information on membership: and
Benefits of joining the International Society for Twin Studies - ISTS,
-Low annual membership fees: Full (AUD180), Student (AUD100), Non-professional/retired (AUD140)
-Free of discounted registration at ISTS conferences
-Subscription to Twin Research & Human Genetics (H-index 82, increasing impact factor, low publication costs, regular special issues)
-News of future conferences & events

ICOMBO membership:


Registration: 5 Nov, 2021
Abstract submission: 20 Oct, 2021 Extended until November 5, 2021
Abstract format: max 250 words. Order: Introduction, Methods, Results, Conclusions, or freestyle.

Presentations: oral or poster

Posters must be in the form of a pre-recorded 3-minute talk to be available throughout the conference and  allow for availability and poster judges.

Galton Prize for the two best student oral presentations: Au$1,000 & $500
Gedda Prize for the two best student posters: Au$1,000 & $500
ICOMBO award for the best research paper from an Early Career Researcher that would benefit multiple birth families: $1,000