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Why it鈥檚 not when you do it, it鈥檚 how you do it.

Most female mammals schedule their sex life into just the couple of days of when they鈥檙e fertile. So why do humans (in theory, at least) do it whenever the mood strikes?

To find out, Dessa explores stinky t-shirt tests, and all sorts of things we鈥檇 better not mention here. Parental discretion is strongly advised.

(Image: Metronome with ticking heart, Credit: Getty Images)

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23 minutes

Last on

Mon 29 Mar 2021 02:06GMT

Broadcasts

  • Sat 27 Mar 2021 20:06GMT
  • Sun 28 Mar 2021 09:06GMT
  • Sun 28 Mar 2021 21:06GMT
  • Mon 29 Mar 2021 02:06GMT