In the event of a major disaster or other emergency, the OCC may grant approval for a temporary branch. Such approvals reflect the particular circumstances and generally permit operation for six months, unless the OCC grants an extension.
Report Abuse. anywhere from 6 months to 8 months. If they get pregnant when they have their first heat the dog will be at a higher rate of having severe problems with the litter of puppies. It is really risky, and really dangerous for your dog.
The age at which they start their cycles and the duration of the cycle varies greatly between the breed and individual dog. The small breeds can show signs of heat by 6 months of age, and the larger breeds are usually older when they show signs of heat, from 6-15 mos of age, typically.