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.
Starting Heat Cycles. Female dogs go into heat when they are unspayed and reach puberty. The time at which this happens depends on the breed. While the average age at which female dogs go into heat is about 6 months, smaller dogs may enter estrus earlier and larger dogs may not do so until they are nearly 2 years old.