Historic step in the USA: FDA updates language on LNG ECPs mechanism of action
December 2022. In the United States, the Federal Drug Administration (FDA) just approved to change the label of Plan B One-Step (a levonorgestrel 1,5 emergency contraception pill) and its generic versions, in order to remove language suggesting that it prevents implantation of a fertilized egg. Until now, and despite what scientific evidence and research has…