Puberty in dogs including Boston Terrier is usually achieved after 6-8 months of age. This is the time when female dog has first heat cycle. First heat cycle in dogs can be as early as months in case of some small breeds and as long as 18 months in some large breed. Canine heat cycle can last for 2-4 weeks with an average of 3 weeks. Gestation in dogs can be of 57-68 days with an average of 63 days or 9 weeks.
