The numbers behind “natural” birth control
We examine online claims about the effectiveness of “natural” birth control methods
More or Less · BBC Radio 4
August 20, 20229m 41s
Audio is streamed directly from the publisher (open.live.bbc.co.uk) as published in their RSS feed. Play Podcasts does not host this file. Rights-holders can request removal through the copyright & takedown page.
Show Notes
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.