Gestational diabetes is often considered as a diagnosis that affects maternal and offspring health exclusively during pregnancy. However, we now know that there are also medium- and long-term risks beyond pregnancy for the mother and the child. Lifestyle changes have been proven to be effective, but they are still a major challenge for young women with no previous health problems and a busy schedule. However, it is also a time that can be seen as an opportunity to take care of one's health in a more global perspective including also transgenerational aspects. This article describes the medium- and long-term issues at stake, but above all the different ways to approach them.