why do we menstruate? #shorts

Most mammals DON'T menstruate, so why do we?

written & narrated by Roshni and edited by April
funded by UPMC Hillman Academy and National Cancer Institute (NCI R25 YES)

information sources:
+Catalini & Fedder (2020). Characteristics of the endometrium in menstruating species: lessons learned from the animal kingdom, Biology of Reproduction. https://doi.org/10.1093/biolre/ioaa029
+Emera et al. (2012). The evolution of menstruation: A new model for genetic assimilation, Bioessays. https://doi.org/10.1002%2Fbies.201100099
+Jarrell (2018). The significance and evolution of menstruation, Best Practice & Research Clinical Obstetrics & Gynaecology. https://doi.org/10.1016/j.bpobgyn.2018.01.007

image sources:
Lemur photo by Mathias Appel https://commons.wikimedia.org/wiki/File:Lemur_(36915652320).jpg
Mouse photo by Bo Mertz https://commons.wikimedia.org/wiki/File:Stensved_-_mouse.jpg
Dog photo by Fernando Losada Rodríguez https://commons.wikimedia.org/wiki/File:Canis_lupus_familiaris.001_-_Monfero.jpg
Pig photo by liz west https://commons.wikimedia.org/wiki/File:Pig_in_the_pigsty_01.jpg
Cat photo by Von.grzanka https://commons.wikimedia.org/wiki/File:Felis_catus-cat_on_snow.jpg
Diademed photo by Michael Hogan https://commons.wikimedia.org/wiki/File:Diademed_ready_to_push_off.jpg
Llama photo by Thomas Fuhrmann https://commons.wikimedia.org/wiki/File:Reserva_Nacional_de_Fauna_Andina_Eduardo_Avaroa_12_-_Llama.jpg
Lion photo by Charles J Sharp https://commons.wikimedia.org/wiki/File:Lion_(Panthera_leo)_female.jpg
Bat photo by Rajesh Puttaswamaiah https://commons.wikimedia.org/wiki/File:Rousettus_leschenaultii_by_Rajesh_Puttaswamaiah.jpg
Chimp photo by Aaron Logan https://commons.wikimedia.org/wiki/File:Lightmatter_chimp.jpg
Elephant shrew photo by douglaseustonbrown https://commons.wikimedia.org/wiki/File:Elephantulus_edwardii_15171220.jpg

Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Institutes of Health or UPMC

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