ATR Patron, HRH Crown Princess Mary of Denmark, encourages twins and their families to join in twin research. The Crown Princess is the mother of twins – HRH Princess Josephine and HRH Prince Vincent. Find out why the Crown Princess supports twin research and see her meeting ATR representatives in Denmark.

Are you interested in being involved in a study? We are recruiting for a number of different projects in need of twins and multiples. Most studies simply require you to complete a questionnaire, while others might involve a free test such as a bone density scan or MRI.