“Track your period, ovulation, symptoms, moods, and so much more in one beautiful app!” So begins a promotional blurb for Ovia, one of several fertility apps on the market boasting its ability to monitor women’s health and fertility cycles.
https://thereader.mitpress.mit.edu/tech-companies-are-profiling-us-from-before-birth/
https://thereader.mitpress.mit.edu/tech-companies-are-profiling-us-from-before-birth/