Characteristics of the endometrium in menstruating species: lessons learned from the animal kingdom

Here we have summarized what is currently known about menstruating animal species with special emphasis on non-primate species: length of their menstrual cycle, ovulation, implantation, placentation, decidualization, and endometrial characteristics. Having an overview of all the possible animal mode...

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Bibliographic Details
Published in:Biology of reproduction 2020-05, Vol.102 (6), p.1160-1169
Main Authors: Catalini, Laura, Fedder, Jens
Format: Article
Language:English
Subjects:
Animal sciences
Endometrium
implantation
menstrual cycle
Menstruation
Ovulation
Physiological aspects
placentation
Reproductive system
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Summary:Here we have summarized what is currently known about menstruating animal species with special emphasis on non-primate species: length of their menstrual cycle, ovulation, implantation, placentation, decidualization, and endometrial characteristics. Having an overview of all the possible animal models that can be used to study menstruation and the menstrual cycle could be useful to select the one that better matches the needs of the individual research projects. The most promising species to study menstruation seems to be the spiny mouse Acomys cahirinus. It is a rodent that could be easily held in the existing laboratory facilities for rats and mice but with the great advantage of having spontaneous menstruation and several human-like menstrual cycle characteristics. Among the species of menstruating bats, the black mastiff bat Molossus ater and wild fulvous fruit bat Rousettus leschenaultii are the ones presenting the most human-like characteristics. The elephant shrew seems to be the less suitable species among the ones analyzed. The induced mouse model of menstruation is also presented as an adaptable alternative to study menstruation. Summary Sentence A summary of the menstrual cycle and endometrial characteristics of human-like menstruating species.
ISSN:0006-3363
1529-7268
DOI:10.1093/biolre/ioaa029