Research Library

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

Latest Article

Published Research

Does the timing of COVID vaccination affect cycle length?

This analysis follows on from previous research we have carried out on the effect of the COVID-19 vaccine on US users and on the wider population.

Research at Natural Cycles

Hungry for more research?

Our peer-reviewed research is published in a top selection of scientific journals.