Natural Cycles + Thermometer

The first FDA-cleared birth control app, with published efficacy research behind it. Non-hormonal, and built around your cycle rather than in spite of it.

Wearables & Devices$$$

Maria Approved

Assessed across the five dimensions of our standard: heightened safety, designed with women, ingredient honesty, ethical production, and editorial review. Anything still open on this product is listed under verification below.

Made by Women
Clinically Studied in Women

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What its badges mean

Made by Women: Founded by a woman or women, or currently led by a woman as CEO or equivalent. Verified through public business records or brand attestation with documentation.
Clinically Studied in Women: Efficacy claims are supported by research that included women at meaningful representation across race, age and body type.