Menstruation. It’s hardly the dinner table talking point. In fact, it’s something many people shy away from or go rosy in the cheeks at the slightest mention. But here at Plan, we’re here to break that taboo because menstruation matters. Menstruation has massive implications on the well-being of women and adolescent girls all over the world. In fact, it has affects women and adolescent girls around 3,500 days of their lifetime.