In my first book, The Fifth Vital Sign, I argue that the menstrual cycle is an important vital sign

that we should be paying attention to. I argue that your menstrual cycle is important regardless

of whether or not you're actively trying to have babies now. And I also argue that charting your

cycle using fertility awareness method tools is an essential step in truly understanding what's happening

in your menstrual cycle. If you haven't ground a copy of the fifth vital sign, you can read the first

chapter for free over at the fifth vital sign book.com. And did you know that you can listen to the fifth

vital sign for free when you sign up for a 30 day trial with audible? Head over to fertility friday.com slash audible for free. When you sign up for a 30-day trial with Audible, head over to

fertility friday.com slash audible for details. That's fertility friday.com slash audible.

This is the Fertility Friday podcast, episode number 548.

In today's episode, I am diving into a really interesting and slightly controversial study. It's a study that I mentioned in the fifth vital sign in the pill chapter,

so chapter seven, and it is often referred to just as the stripper study.

I was doing a podcast interview on a different podcast last week, and the host was asking

me a whole slew of really interesting questions, and we ended up talking briefly about

hormonal contraceptives.

And I mentioned the stripper study and she had never heard of it.

And so it made me think, you know, this would be a really great,

Bam research series to dive into because many of you may not have heard of the study either.

And I thought this would also be a great follow-up to last week's episode.

In last week's episode, we touched on this concept of genetic compatibility and how hormonal contraceptives may disrupt our natural tendencies in terms of how we would be selecting partners.

So we're going to go ahead and jump into today's study.

It is called ovulatory cycle effects on tip earnings by lap dancers.

And so we're going to get into this study and talk about what it suggests, what we can learn from this really interesting

...