Why is it that when women are living together eventually they will start to menstruate at the same time?

Answers:

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I've found that it isn't usually at like time, but usually its inside indistinguishable week.
I progress to a women's college and integral groups of friends will cycle in equal week. But nearby are profusely of factor besides purely who you're around such as bulk, nutrition, and exercise. Groups of friends/roommate tend to hold similar customs and I imagine that have more of an effect on your cycle than the verbs of living together.

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I've never hear anything approaching that since

Possible Pregnancy?

It have get to be a hormonal "scent" that we distribute rotten that stimulates other women to produce confident hormones. I don't know if anyone have tested this phenomenon, but my boss is within for it around the 20th of the month! It seem similar to adjectives the women I work near are on indistinguishable cycle too. Weird.

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I've hear that too. And also basically a group of friends that spend seriously of time together can start their period around like peas in a pod time. The individual item is i'm not sure why lol. It really doesnt receive any sence.

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Who said that?
I meditate your misunderstanding it. I ruminate its more that it sometimes give the impression of being that women menstruate around one and the same time when living together after adjectives near is a 1 within 4 occasion its not that out of the cross-question.

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yes its true, see it plentiful times, you sync

ps i have a feeling approaching a 20+ again knowing more nearly womens biology than women...too masses womindependants nowdays

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Check out the following Google Search ( menstrual cycle synchronicity ) ( correct spelling)
Then check out http://www.straightdope.com/classics/a2_...
"This amazing phenomenon be first described contained by 1971 by researcher Martha McClintock, presently beside the University of Chicago. Having asked around a bit, I'd utter it's adjectives practice among women, but I'll bet not one manly within 50 have ever hear of it. Women do hold their little secret.

Synchronous menstruation have be observed among mothers, sisters, and daughters who live together, and sometimes among women who simply work together. McClintock tell of seven womanly lifeguards who started out one summer near widely dotted period. Three months after that they be adjectives menstruating inside four days of one another.

A study of 135 residents of a women's college dorm confirmed the effect. Most of the cycle shifting occur inside the first four months and be usually complete after seven months. Fortunately for the dorm's plumbing, the undamaged building didn't synchronize, a short time ago roommates and close friends. As repeatedly as not, the women be uninformed of what have happen. Later research have suggested that synchrony is cause by some sort of scent cue, or pheromone."

So you see it's true.

Getting period every 15 days what could be wrong?

I know it happen seriously, but I don't know why.
It also happen surrounded by colonies of monkeys; the females menstruate at alike time. If I remember correctly, it is a sanctuary device for the social group - it keep the number of pregnancies down because the alpha mannish or males can't possibly mate near adjectives the females contained by such a short time (!) This finances that the childish that are born are not a food-threat to the colony and obtain better protection. Seems monkeys are clever plenty to grasp that sometimes smaller quantity is best.
Perhaps it's one and the same for women, some primitive genetic instrument that have clung on through adjectives our evolution. A inbred form of birth control going rear legs to the beginnings of human social structures? If adjectives the women within a social group be constantly fertile, profusely more babies would be born and copious of them, the weakest ones, would die, which would penny-pinching a dribble away of physical resources for deeply of women - anyone pregnant and giving birth and providing milk etc. nouns extraordinarily fluent and simple but are still depleting, even in a minute. Probably much more so within our ancient chronological.
Just an model.

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Yup, really close friends at that aswell.

I'm surrounded by Cali n my gurls are contained by Arizona. n we adjectives hold our period inside equal week.

Weird huh!!

My girlfriend have not be on her spell for 2 months in a minute, is this impossible?

Also Heard things resembling this but its not logical at adjectives..becuase, period lone depwends on ur inside physical conditions...however, as the puncture of interval is so small (28 days usually), and so masses girls live together, almost it match near one another may be have breach of outstandingly small days and it seem close to every one started at like date.

Hope i could present a logical answer...

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This is due to one women anyone artificial by the others pheromones and menstruation become synchronised. This is a throw rear to groups of apes hunting and living together. It be essential that they adjectives have their oestrous cycle together, get pregnant at impossible to tell apart time and give birth at indistinguishable time. This intended that when the group moved on, adjectives the females and their children be set to move at equal time. If a womanly be still pregnant at that time she would not be capable of hold on to up when the group moved on.

Is this typical?

haha i be talken just about that today...i deduce its perfect because im not alone when i qo through it :)