If she is in heat then there may be a small amount of discharge in the cage and she may be a bit more hyper and active than usual.
Unfortunately I have no experience with Pyo so I don't know about the amount of discharge that will come out but I'm sure someone with experience with Pyo will tell you
Thank you haha, you're quite close as well!
__________________
Minion to Daisy, Lily, Harry and Peanut <3
Gone but never forgotten
Willow - 18:27 18th November 2016