• 8 years ago
Rodents are not typically known to have a menstrual cycle, but new research has uncovered the first species of mouse with that bodily function.

Rodents are not typically known to have a menstrual cycle, but new research has uncovered the first species of mouse with that bodily function, notes Popular Science. 
A recently published study by researchers from Australia’s Monash University describes the cycle of the spiny mouse. 
The scientists observed a group of 14 “virgin female spiny mice aged 12-16 weeks.” 
They found the average cycle lasted around 9 days with blood-related material expelled for about 3 days. 
This 30 or so percent ratio of bleeding is in line with that of human females, notes Nature. 
The team also observed the different stages of the uterine lining as it gets shed by the spiny mouse’s body before growing back, but this part of the research is still ongoing.
They hope these findings may help to further the research on issues related to human menstruation and pregnancy. 

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