For millions of dads around the planet, one of the last things on the radar is talking to their daughters about the taboo subject of menstruation. But why is a natural physiological process of the female body so difficult to discuss; particularly for dads with daughters? The No BS Guide to Periods: For Dad's takes the gloves off and jumps right into the topic of menstruation, and why it's every dad's business. With an estimated 500 million females without access to menstrual products, 23+ million of them living in poverty within the United States, any dad with a daughter should pay close attention to the dilemma at hand. As the family's first line of defense and visionary, it's time for dad's to stand up.