Research Library

Check out our latest research and learn how you’ve helped us further the field of female health.

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Published Research

Menstrual Cycle Myth-Busting

There are many assumptions about the menstrual cycle, and some of the most common ones are that a regular menstrual cycle is 28 days long, with ovulation happening on day 14 and a 14-day luteal phase.

Concentric circles with the text 'only 13% of menstrual cycles are 28 days long' shown in the centre

Research at Natural Cycles

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