In the wake of the leaked draft Supreme Court opinion that would overturn Roe v. Wade, privacy experts are increasingly concerned about how data collected from period-tracking apps, among other applications, could potentially be used to penalize anyone seeking or considering an abortion.
Millions of people use apps to help track their menstrual cycles. Flo, which bills itself as the most popular period and cycle tracking app, has amassed 43 million active users. Another app, Clue, claims 12 million monthly active users.
