You will need to choose from hypoallergenic dog breeds, which are better suited for people with dog allergies. For example, if you are allergic to dog hair, you may be interested in breeds that are either hairless or don't shed.
That's impossible for anyone on Wiki to know. She should be taken to the vet and be examined. They can do an ultrasound early or an X-ray later in the pregnancy to see how many puppies there are....
The risk of deformed puppies or temperment problems would be very high. In the wild, a dog or wolf would not accept a sibling unless there was a population problem, but when confined together, a dog...
well all you can do is give it foood water a bed a litter place and take them to the vet to see if they are healthy if you need somthing write on my blog