https://arstechnica.com/tech-policy/2022/07/federal-patient-privacy-law-doesnt-cover-most-period-tracking-apps/ > ProPublica is a Pulitzer Prize-winning investigative newsroom. Sign up for The Big Story newsletter to receive stories like this one in your inbox. > Following the Supreme Court’s decision overturning Roe v. Wade, advocates for privacy and reproductive health have expressed fears that data from period-tracking apps could be used to find people who’ve had abortions.