I have always heard that very close friends can have their periods at the same time, if that's what you mean.
Yep!!! I have worked closely with women in an office setting in the past - we would all eventually end up on close to the same cycle - when talking to other groups in our profession - the same thing would happen to them. My sister just started working in a new department with 4 other women and her cycle is out of whack now.
Yes, it is true. When I lived at home, my mother, sister, and I
usually had our periods around the same time.
Yeh even working closely with other women can put your cycles out. It is hard then everyone has pms. yeek!
I was reading your different post. I never knew working with other women could change your cycle or make it go wacky. I guess you learn something new every day. LOL