bluetooth period – Center for Young Women's Health

Is it true that period cycles have a “Bluetooth like effect” where people who live together or spend a lot of time together will have their periods at the same time? I have heard of this phenomenon a few times. Which made me realize, that this has happened to me a few times with friends! Now I am wondering, does this really happen or is it just a mere coincidence?

Updated 17 June 2021 under Ask Us.

Great question! “Bluetooth periods” is a term for the phenomenon that when young women live and/or spend a lot of time together and their periods start coming at the same […]