Build your female fertility cycle

Add compounds, set doses and week ranges, and watch the synergy report update as you go. Everything lives in the URL — bookmark or share the current page and it'll come back exactly as you left it, or hit Save & share for a permanent short link.

Your cycle lives in the URL — Save & share mints a permanent short link.

No compounds added yet. Use the form below to add your first one — dose, frequency, and week range auto-fill from the catalogue and are fully editable.

Compounds in your cycle

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Add compound

Typeahead across all 174 compounds. Start typing to search by name or alias. Default dose, frequency, and a 1–12 week range fill in automatically — you can edit any of it afterwards.