Reletter
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Your reproductive biologist big sister here to break down women's health and reproductive biology using fun visuals I make! ✨\ud83d\udd2c. PhD | IVF baby | Created by science, sharing the magic behind it.

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Substack
PricingOnly free issuesPublishesTwice weekly
Issues41Foundeda year agoLast Issue13 days ago
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Latest Issues

The luteal phase explained: you literally build a temporary endocrine gland every month after ovulation.

Welcome back to my series: Reproductive Biology Deep Dives. Drawing on my background as a PhD-trained reproductive biologist, this series uses fun visuals I make myself to explain what’s going on in your body.

It’s like the magic school bu...

13 days ago
6
2

What happens to your eggs the second after a retrieval?

Introducing a new series: A Former Embryologist Explains 🔬

Welcome to a brand new series on yourIVFbaby! While most fertility education focuses on what happens in the exam room, I’m taking you behind the incubator doors of the IVF lab.

D...

a month ago
6
2

Why is there still no test to tell me how fertile I am?

If you walk through life with ovaries, after a certain age an invisible ticking countdown timer starts to haunt you. That ticking is the biological clock of ovarian aging. In pop culture the metaphorical clock is used as a warning, a joke,...

a month ago
3

What gets sexualized vs. what is considered medical jargon when it comes to female biology

One month ago I did a deep dive into the secret code that women’s health educators and creators use in order to evade algorithmic shadowbans. This secret code is called ‘algospeak’ and if you’re in the field you see it pop up everywhere fro...

2 months ago
5

The Banned Biology Challenge

Welcome to the Banned Biology Challenge! This challenge ran from 8/3/2026 - 8/21/2026. Check out all of the anatomically correct, women’s health terms and visuals below! ✨

In honor of Bodyform’s “Vaginas Uncensored” campaign, I’m launching...

2 months ago
4

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  • Dr. Jordan Machlin

    Your reproductive biologist big sister here to break down women's health and reproductive biology using fun visuals I make! ✨\ud83d\udd2c. PhD | IVF baby | Created by science, sharing the magic behind it.

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