That's funny. I was just wondering about this same thing this morning. My TinkerBelle just came out of her first heat cycle (she's 11 months old) and her nipples are hard and swollen. She was not around any boy dogs either as all my dogs are female. Now that I know it's normal I won't worry.
__________________  Hi from Oklahoma City from me and the girls: Holly, Lacey & Tinker Belle |