Scarlett started her first heat cycle on Saturday and is has been getting heavier as the week goes on. I know she will bleed for 7-10 days and is fertile after the bleeding stops and to keep her away from male dogs. I also understand that after the bleeding stops she will be fertile for another 10 days or so. My question is will there be some kind of sign for me to see when she is fully finished with the cycle and is no longer fertile? Or do I just assume that after keeping her confined for 3-4 weeks and giving her a good bath she is fine to be around other dogs?