Period-tracking apps know a lot about you. They keep tabs on your menstrual cycles and predict fertile windows, collecting information like period length, symptoms, mood and sex drive. Now, users with privacy concerns fear the intimate data on the apps could be used against them if they seek an abortion amid the Supreme Court's reversal of Roe v. Wade. Striking down the 1973 landmark decision leaves abortion policy in the hands of individual states. If states criminalize abortion, the data collected by fertility and cycle monitoring apps could be used by law enforcement in investigations, experts said. "It might seem like a kind of overstretch to say that these kinds of apps could be used to prosecute people," said Korica Simon, an associate at the Center on Privacy and Technology at Georgetown Law. "But you know, government officials are only kind of one step away from going from internet searches to going to apps to get more information about whether someone has sought an abortion." Click the link in our bio for the full story.