
Im having this with one of my bulldog bitches,she has been in season for 6 weeks now.
We had progesterone levels checked and it turned out she hadnt ovulated,we took her to the vet who
gave her a hormone injection in the hope it would kick start her into ovulating,after having the injection we took another progesterone level
and she had gone up but still hadnt ovulated,we then took another progesterone level 2 days after she had gone up and sadly she had gone down again.
After talking to my vet she is going to have a 5 day course of injections in the hope it brings her out of season.
IF she hasnt come out of season over this coming weekend we have to go back and consider getting her spayed.
Im not trying to scare you as Im going through the scare myself but ovarian cancer and cysts have been mentioned.
Is your girl drinking or eating more,is she okay in herself?
My advice would be to do a progesterone level which idexx can do for you and see how you stand there before doing anything drastic.
Good luck and if I can help feel free to pm me anytime.