Change

 NY Times: No, We Don’t Know if Vaccines Change Your Period - We do know that researchers do not study menstruation enough. By Alice Lu-Culligan and Randi Hutter Epstein - Ms. Lu-Culligan is an M.D.-Ph.D. student at Yale School of Medicine, where she studies the immunobiology of pregnancy and fetal development. Dr. Epstein is the writer in residence at Yale School of Medicine and the author of “Aroused: The History of Hormones and How They Control Just About Everything.”