The link between progesterone and brain tumor is confirmed. Several hundred cases of meningiomas, a form of benign brain tumor, have been attributed to prolonged use of this type of treatment.

Measures to restrict access to these molecules were put in place in France. The latest results appear this Thursday in the BMJ. They thus revealed that three molecules, including those already incriminated (Androcur, Lutéran and Lutényl), were to blame for the increased risk.