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Is ‘period syncing’ real? Two reproductive health experts explain

(Version anglaise seulement)

par Emmalee Ford, Adjunct Lecturer, Sexual and Reproductive Health, University of Sydney
Tessa Copp, NHMRC Emerging Leader Research Fellow in Reproductive Health, School of Public Health, University of Sydney

Have you ever heard two or more women say they’re on the same cycle?

This is a common claim among women who live together, for example in a family or as housemates.

This idea that people menstruate, or have their period, at the same time is known as “menstrual synchrony”. If their menstrual periods happen to regularly align, they might describe themselves as being “in sync”.

But is menstrual synchrony possible, according to science? Let’s unpack the evidence.

The ‘menstrual synchrony’ myth

The term “menstrual synchrony” is difficult…

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