If your dog is the spoiled lonely only, it might not be puppy love at first sight when a new baby arrives on the scene. "Pets need to be prepared for a new family member just as people do," says Jacque Schultz, a New York City-based behavior consultant for the American Society for the Prevention of Cruelty to Animals. Here's how to prep your pup:

• Let your dog interact with children during your pregnancy. If he growls, seek professional training. Never allow a dog with a history of biting around children.

• Pets should be current on vaccines and checked for parasites, advises William Kottler, M.D., a pediatric pulmonologist in Millburn, New Jersey, who has taught pets-and-babies seminars. Consider having your dog spayed or neutered since this may decrease aggression.

• Install a gate to keep your dog out of the nursery when unsupervised. "Never leave your baby unattended with your dog no matter how good you think he is," adds Dr. Kottler.

• Have your partner bring home something the baby wore while you're both still in the hospital to familiarize your dog with his scent.

• Keep toys separate. Don't give your dog plush toys or rattles or he may mistake the baby's toys for his own.

• Pay attention to your dog's response to crying. If he's distressed, let him stay with a friend in the early weeks.

• Protect your pup. Don't let your baby tug at his tail or poke his eyes. With proper precautions, man's best friend can be a wonderful friend to your baby, too.

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