Dr. Julia Stern

covertly changing how you smell over your menstrual cycle and therefore men will find you less attractive.

I mean, when you first said that, I didn't find it entirely convincing to be blaming the divorces on the pill.

We're talking significant structural changes in the brain in regions involving memory and emotional processing.

Wow.

All right.

If it's not obvious, the scientific question around the pull-out method, which has been circling around the science versus office for some time, is that you're having sex, you're the penis, and a little bit of pre-cum is coming out into the vagina, but yet then when you're about to truly...

Uh-huh.

Five out of 24.

I mean, that's enough to make me a little worried, I've got to say.

I just, I mean, we know that these theories are based on these biases around what men and women are supposed to do.

And these theorists could just say whatever they want.

Oh, my God.

Based on all of your research, Rose, there is not good evidence that the pill changes who you're attracted to.

No, but no, we used a little pump.

Okay, so are we emitting some different odor when we're ovulating?