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the claim

Menstruation occurs in only a small number of mammal species, including humans, apes, Old World monkeys, some bats and the elephant shrew.

the verdict
SUPPORTED
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Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that menstruation occurs in only a small number of mammal species, including humans, apes, Old World monkeys, some bats and the elephant shrew?

Yes. A reference article states menstruation is generally limited to primates (simians such as Old World monkeys and apes) and, beyond primates, known only in bats, the elephant shrew, and the spiny mouse, with overt menstruation primarily in humans and close relatives. A peer-reviewed review adds that spontaneous decidualization occurs in Old World monkeys, apes, the elephant shrew, and at least one menstruating bat species.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 3
Menstruation (mammal) - Wikipedia
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Menstruation (mammal) - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Menstruation_(mammal)

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More for · 2
The evolution of menstruation: A new model for genetic assimilation -
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The evolution of menstruation: A new model for genetic assimilation - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1002/bies.201100099

Human Parturition: Nothing More Than a Delayed Menstruation.
2018
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Pavlicev, M. & Norwitz, E. R. (2018). Human Parturition: Nothing More Than a Delayed Menstruation.. doi.org. https://doi.org/10.1177/1933719117725830

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