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LLMMedium

Swedish Contraceptive App, Natural Cycles, Allegedly Failed to Correctly Map Menstrual Cycle

Occurred
Jul 21, 2018
Published
Jan 18, 2018
Source
AI Incident Database

Summary

Some women using the contraceptive app, Natural Cycles, reported unwanted pregnancies, revealing its algorithm's difficulties in mapping menstrual cycles.

Developers

  • Natural Cycles

Deployers

  • Natural Cycles

Harmed parties

  • Women
  • Natural Cycles users
  • Women and girls

Classification

Category confidence: 60%
Severity confidence: 70%

Rationale: App algorithm failure causing unintended pregnancies, but not a classic LLM issue; fits best under tech failure.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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