The Natural Cycles app aims to prevent pregnancy by evaluating a woman’s daily temperature and menstruation data. The app — which uses this information to calculate which days a woman is at a high or ...

In August, the F.D.A. announced that it had allowed a new form of contraception on the market: a mobile app called Natural Cycles. The app, which was designed by a Swedish particle physicist, asks its ...

Search "fertility awareness" or "natural birth control" on TikTok and you'll find an endless scroll of videos — oftentimes with sparkle and flower emoji for emphasis. While not sound medical advice, ...