PETS is a study of twins, from when they were in the womb through to childhood and beyond. The study aims to identify what makes us all who we are; our health, development and well being. Where better to start than with twins, who share the same mother, but are usually in their own ‘sac’ during pregnancy, then share the same home environment as children. Despite this, even ‘identical’ twins can have different personalities, physical characteristics and illnesses. Why is this?



Melbourne Children’s Consortium for Lifecourse Research Study Summary
Study name The Peri/Post-natal Epigenetic Twins Study
Study abbreviation PETS
Principal Investigators A/Professor Jeff Craig
Dr Richard Saffery
Primary Institution Murdoch Childrens Research Institute
University of Melbourne
Deakin University
Australian Institute of Family Studies
LaTrobe University
Study website https://www.mcri.edu.au/research/themes/population-health/environmental-genetic-epidemiology-research
Collaborating Institutions Royal Women’s Hospital, Mercy Hospital for Women, Monash medical Centre
Major Funding Sources NHMRC
Bonnie Babes Foundation
Sigrid Juselius Foundation
Academy of Finland
Finnish Cultural Foundation
Financial Markets Foundation for Children
Victorian Government’s Operational Infrastructure Support Program
Date commenced January 2007
Sampling frame Women attending multiple pregnancy clinics at 3 Melbourne hospitals who were 18-22 weeks gestation
Age range 18-22 weeks gestation to 6 years of age
Number of waves 6 (7th is planned for 2014)
Annual attrition (if available) 1% per year
Ethics Approvals (Study specific or generic) Consent for future ethically approved studies
Biosamples YES
Imaging No
Linkage (specify) No
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Study Coordinator

Pamela Leong, PhD

Ph: + 61 3 9936 6549
Email: pamela.leong@mcri.edu.au

Study Associates

Associate Professor Jeff Craig

Ph: + 61 3 8341 6346
Email: jeff.craig@mcri.edu.au

Dr. Richard Saffery

Ph: + 61 3 8341 6341
Email: richard.saffery@mcri.edu.au