AI Summary
5 min read🎙️ The Voices & The Context
- The Format: This is a year-end wrap-up episode of the podcast RadioLab, blending casual host banter with a deep-dive story segment from a live event.
- The Key Players:
- Molly Webster: A host and reporter, she is the central figure in the episode's main story about fertility. She's curious, self-deprecating, and emotionally invested in the topic.
- Latif Nasser: A co-host, he provides the warm, humorous banter and serves as a sounding board for Molly's story.
- Lauren Wise: An epidemiologist from Boston University, she is the expert who provides the crucial data that reshapes the fertility narrative.
- The Vibe: The episode is educational and fun, with a strong undercurrent of personal vulnerability. The hosts are clearly friends, and the tone is conversational, even when discussing complex scientific data. It feels like listening in on a smart, funny, and honest conversation.
🗝️ Key Themes & Topics
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Show Notes
As she -- and her friends — approached the age of 35, senior correspondent Molly Webster kept hearing a phrase over and over: “fertility cliff.” It was a short-hand term to describe what she was told would happen to her fertility after she turned 35 — that is, it would drop off. Suddenly, sharply, dramatically. And this was well before she was supposed to hit menopause. Intrigued, Molly decided to look into it — what was the truth behind this so-called cliff, and when, if so, would she topple?Â
This story first premiered in “Thirty Something,” a 2018 Radiolab live show that was part of, Gonads, (https://radiolab.org/series/radiolab-presents-gonads)a six-episode audio and live event series all about reproduction and the parts of us that make more of us. The live event was produced by Rachael Cusick and edited by Pat Walters.
Special thanks to epidemiologist Lauren Wise, at Boston University. Plus, Emily, Chloe, and Bianca. And of course, Jad Abumrad.
If you’re more of a visual person, here are the graphs we explain in the episode, we also include links to the corresponding papers in our Episode Citations Section, below!
LINK TO GRAPHS:
https://media.wnyc.org/i/1860/1046/c/80/2025/12/FERTILITY_AGE_GRAPHS_1-4.jpg
EPISODE CREDITS:Â
Reported by - Molly Webster
Produced by - Arianne Wack
Fact-checking by - Diane A. Kelly
EPISODE CITATIONS:
Audio:
- Gonads (https://radiolab.org/series/radiolab-presents-gonads/)
A six-part audio series on reproduction and the parts of us that make more of us - The Menopause Mystery (https://radiolab.org/podcast/the-menopause-mystery)
One of Radiolab’s most listened-to episodes of 2025!
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Videos:
“Radiolab Presents: Thirty Something”
https://youtu.be/LOJVAaSwags?si=czCBraHf1JEqmAQi
Research Articles:
More from this podcast
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