Period Tracker Apps

Nancy R. Cohen/Getty Images Nancy R. Cohen/Getty Images

There are more than 40,000 period-tracking apps out there, some of which claim to help you get pregnant, prevent pregnancy or just be more in touch with your body in general. Cristen and Caroline explore these apps' effectiveness and dig into one developer's claim that infertility is little more than an "information problem."

Episode Sources:

"'Fitbit for your period': The rise of fertility tracking"

"Happy birth data! A new app tracks fertility"

"How period trackers have changed girl culture"

"Our bodies, our apps: For the love of period-trackers"

"Glow: Transgender"

"Glow: Inclusivity for other gender identities"

"Can this app prevent pregnancy?"

"Glow pregnancy app exposed women to privacy threats, Consumer Reports finds"

"Watch out, ladies: Your period-tracking app could be leaking personal data"

"Does Glow's app help women conceive? The data's tricky"

Academic Insights:

"Our Bodies, Ourselves." Boston Women's Health Book Collective. Simon and Schuster, 2011.

"The performance of fertility-awareness-based method apps marketed to avoid pregnancy." Marguerite Duane et al. Journal of the American Board of Family Medicine. Vol. 29, No. 4. Pages 508-511. July-August 2016.