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The numbers behind 'natural' birth control

Some TikTok users have been claiming that so-called “natural” birth control methods have high rates of effectiveness. We look at how the evidence tells a more complex story.

Videos on TikTok have been claiming that so-called “natural” birth control methods can be 99% effective. We examine what we really know, and how we know it.

Presenter and producer: Charlotte McDonald
Editor: Richard Vadon

(Photo: A young woman with friends looks at a pregnancy test. Credit: Getty images)

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9 minutes

Last on

Mon 22 Aug 202209:50GMT
BBC World Service

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  • Sat 20 Aug 202204:50GMT
    BBC World Service
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  • Mon 22 Aug 202209:50GMT
    BBC World Service

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