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Plain-language cycle science.

One careful article a month. No clickbait. No "8 signs your cycle is trying to tell you something." Just clear writing about how the body works.

Coming off the pill

What actually happens in the first three months off hormonal birth control

The withdrawal cycle, the temperature signal returning, what to expect, what's normal, when to worry.

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Trying to conceive

The actual evidence for timing intercourse to the fertile window

What the studies show, what the studies don't show, and how to translate it to a couple actually trying to conceive.

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Postpartum

When does the cycle actually return after a baby?

The first signs the body sends, why it varies so much, and what to look for if you're breastfeeding.

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The science

Why basal body temperature, and why oral instead of wrist

The physiology of the BBT shift, why measurement site matters, and what wearables actually measure.

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PMOS

Tracking cycles with PMOS (formerly PCOS): what's possible

How the algorithm adapts to irregular cycles, what realistic expectations look like, and when a clinical conversation is the better starting point.

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The science

Reading the 2021 Daysy study without losing the nuance

What van de Roemer, Haile, and Koch (2021) actually established, and what it deliberately did not test.

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The Cycle, monthly

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