Rebecca Fett is an author known for writing books that focus on fertility, health, and genetics. Her background in molecular biology and biochemistry, along with her own personal experiences with fertility, has informed her approach to these topics. Fett takes complex scientific concepts and translates them into accessible advice for a general audience. Her books often combine scientific research with practical guidance to help readers make informed decisions about their health and fertility. One of her well-known works is "It Starts with the Egg," which provides evidence-based recommendations for improving egg quality and enhancing fertility.