You should document this carefully and publish, since scientists have failed to document the effect. en.wikipedia.org/wiki/Menstrual_synchrony > my wife and d

You should document this carefully and publish, since scientists have failed to document the effect. en.wikipedia.org/wiki/Menstrual_synchrony > my wife and daughter have their menstruation in sync nowadays. How closely in sync? For how many cycles? en.wikipedia.org/wiki/Beat_(acoustics)