Fertility apps like Natural Cycles claim to be birth control. Don

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This app is certified in the EU as a form of birth control. Is the US next? - The Verge

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Natural Cycles just became the first FDA-approved “birth control” app - Vox

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An app for birth control? Some experts urge caution despite regulatory approval - National

Women Using The Natural Cycles App As Contraception Say They Feel Let Down By Their Doctors