The Cycle Library

Everything about your cycle, gently explained.

A free, growing library for women and the partners who love them — written in a warm, encouraging voice and cited to trusted sources. No sign-up, no paywall, just answers.

35
free guides & articles
0
sign-ups required
6
topic areas
Free tool

Cycle Calculator

Estimate your next period, phase, and ovulation window — private, in your browser.

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Browse the library

Find exactly what you need

Your first period

A gentle welcome to womanhood — the signs it is coming, what to expect, a ready-to-go kit, and a guide for parents.

Cycle awareness

The gentle foundations — what cycle awareness is, and how to notice your own pattern.

Understanding your phases

Why your energy, skin, mood, and cravings shift across the month — and how to work with each phase.

Your cycle explained

Plain-language answers to the "why does this happen?" questions, in a warm voice instead of a clinical one.

For partners

For the husbands, boyfriends, and partners who want to understand her rhythm and show up well.

Private & secure tracking

What truly private cycle tracking looks like — and why keeping your data on your own phone matters.

Give yourself room to bloom.

The app that goes with the library — a gentle, private sunflower that shows where you are in your cycle. No account, no ads, nothing ever leaves your phone.

Try My Bloom Buddy free →