WF-S6E3HW
Swedish Contraceptive App, Natural Cycles, Allegedly Failed to Correctly Map Menstrual Cycle
Some women using the contraceptive app, Natural Cycles, reported unwanted pregnancies, revealing its algorithm's difficulties in mapping menstrual cycles.
- Date it happened
- 2018-07-21
- Organisation involved
- Natural Cycles
- Product, system or model
- The Natural Cycles algorithm tracks when users are fertile or not by recording their basal body temperature which naturally rises slightly after ovulation. However, its algorithm does not involve the
Where this came from
Attribution
This incident was imported from AI Incident Database and is used under CC BY-SA 4.0. Our additions to it — the structured fields, the translation, the checks against other reports — are published under the same licence.
This is a record of what was reported, not a finding that anyone broke the law. If it names your organisation and you believe it is wrong, the corrections process is free and open to everyone.