Questions tagged [menstrual-cycle]
11 questions
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Is the human menstrual cycle related to the lunar cycle?
I've heard that the female menstrual cycle follows a pattern of the lunar cycle, mostly as an evolutionary adaptation so that menstruation (and hence detectability by predators because of the smell of fresh blood) happens on the nights where humans…

Brian M. Hunt
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Can lions sense menstruating women?
I had an interesting chat today with a young woman from a traditional circus family, who explained she could not grow up to become a lion tamer, because lions could smell when women are menstruating and are then likely to attack.
I found this claim…

Oddthinking
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Does orgasm trigger menstruation?
Wikipedia states, without a particularly satisfying source, that:
Some sources say that achieving orgasm helps the uterus contract and expel the lining.
It does quote some other opinions there, though quick Googling yields people who buy this…

margish
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Can Lady Comp predict women's fertility cycles with 99.3% accuracy?
I just came across a seemingly amazing product, called Pearly or Lady Comp. This product was recently mentioned in Sweden's biggest newspaper.
According to the company, it can predict female fertility at the rate of 99.3% based on the menstruation…

Kristoffer Nolgren
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Does menstruation affect the ability of women to do blue-collar work?
I just read about the concept of menstrual leave. The Wikipedia article says it originated in Japan, and applies in a couple of asian countries.
In 2005, Australian Manufacturing Workers Union secretary Doug Cameron asked for menstrual leave to be…

Andrew Grimm
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Do the "rhythm" or "standard days" methods of birth control eventually cause more embryonic death than other methods?
The first formalized calendar-based method was developed in 1930 by
John Smulders, a Roman Catholic physician from the Netherlands. It was
based on knowledge of the menstrual cycle. This method was
independently discovered by Hermann Knaus…

Monkey Tuesday
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Does PMS cause mood swings?
The Huffington Post writes in Mood Swings From Menstruation May Not Exist, Study Finds:
Premenstrual syndrome, or PMS, may be an utter myth, according to new research from the University of Toronto. The study found that there was no obvious link…

Christian
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Are men more attracted to women who are ovulating over those who are not?
Background
In 2016, a Business Insider article by Rebecca Harrington asserted that there have been multiple studies supporting the notion that men are preferentially attracted to women who are ovulating:
Multiple studies have concluded that men…

isakbob
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Are there records of girls born with enlarged clitoris mistaken - and raised - as boys?
In a popular-science Polish magazine Focus EKSTRA, special issue 5/2004*, page 39, there's a paragraph that says
(in original Polish, emphasis mine:)
Jak duża może być łechtaczka?
Największe bywają rozmiarów penisa - są też łudząco do niego…

Dragomok
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Can canning tomatoes while menstruating spoil the tomatoes?
My wife was recently canning tomatoes, and her aunt asked if she was on her period because supposedly that will ruin the batch. Her grandmother is the one that taught her aunt, but neither of us had heard anything like that.
A cursory search turned…

Wayne Werner
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Has the absorption of menstrual hygiene products only now been compared using blood for the first time?
A number of articles such as this one or this one were published recently in reaction to this study.
The study is quoted as saying that "no study exists comparing the capacity of currently available menstrual hygiene products using blood".
This is…

Pilcrow
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