Progress on the science of menstruation—at last

Such thinking is, obviously, misogynistic nonsense. But menstruation, though not unnatural, is certainly unusual. Humans are among the very small proportion of creatures capable of the feat. That, coupled with the fact that scientists have historically shied away from studying menstruation, has made it far harder to understand the problems that can come with periods, or to develop treatments for them. Fortunately, researchers are now developing a suite of new tools to do just that.