Natural Cycles is the first FDA-approved hormone-free birth control app, using a basal body temperature algorithm to identify fertile and non-fertile days with clinical-grade accuracy. It'a free from synthetic hormones, IUD insertion procedures, and the side effects that lead many women to seek natural contraception alternatives. It's 93% effective with typical use and 98% with perfect use based on the brands clinical studies. A hormone-free birth control method for women who want to understand their cycles and take control of their fertility without synthetic hormones that can also be connected to an OURA ring.
