Nifty☕️ on Instagram: "Female dogs experience heat cycles as part of their reproductive cycle. 1. At What Age Do Dogs First Get Their Period? Dogs typically go into heat for the first time between 6 to 12 months of age, depending on the breed and size. Smaller breeds may experience their first cycle earlier, while larger breeds may take up to 18-24 months. 2. How Often Do Dogs Get Their Period? Most dogs go into heat every 6 months, but this can vary. •Smaller breeds: More frequent cycles (3-4 t