There are a few signs that you can look for to tell if your dog’s heat cycle is ending. First, her vulva will return to its normal size. Second, she will stop bleeding. Finally, she will no longer be receptive to males. If you are still unsure, you can always take her to the vet for a check-up. Understanding your Golden Retriever’s heat cycle is important to ensure that she is comfortable and healthy during this time. By following these tips, you can help make this time as easy as possible for both you and your dog.