In a venture capital world still run by men, The Flex Company founder Lauren Schulte did the improbable: raised $1 million to grow a startup aimed at helping make women's periods less awful. Yes, she talked about menstruation in Silicon Valley boardrooms. She'll start shipping her product -- disposable menstrual discs you can even wear during sex (!) -- to customers this September. Hear how this former marketer built a medical device company from scratch.