HMBD – Human Multiple Births Database is a humanities and social sciences project for an international database on multiple births that gives statistics on the number of births of twins, triplets, quadruplets and more. Its dual aim is to provide responses to public health issues and find out more about the variations in twin births from one country to another.

This project received funding from the National Research Agency and involves a team of 3 people: Catalina Torre, a post-doctoral researcher at the French National Natural History Museum, Arianna Caporali, a research engineer at the French Institute for Demographic Studies and Gilles Pison, project leader and professor at the Natio