Martha Kempner is writer, sexual health expert, and co-author of the book _50 Great Myths of Human Sexuality_. She writes about sexual behavior, contraception, STIs, and her efforts to raise sexually healthy girls in a sexually unhealthy world. Her articles explain new research, provide commentary on current events, analyze social trends, and bust myths. Her work appears regularly on [rewire.news](https://rewire.news/), [thebody.com](https://www.thebody.com/), and [whattoexpect.com](https://www.whattoexpect.com/), and here on Bedsider. She lives with her husband, two school-aged daughters, and a really large poodle.