Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to deal with baby hamsters [title] Talk to a vet about caring for the mother and baby hamsters. [step] This will help to establish contact with a vet should an emergency arise with the hamster birth. You can consult about the pregnancy and options for the pups once they're born.

Ending1: [substeps] Most mothers do not want their babies to reach more than a year of age, because they can become sad or upset. Babies 3 to 4 months old and older can become incredibly emotional. Ending2: Many vets will have experience with dealing with hamster births, but you'll want to establish the relationship before the birth so you know what experience your vet has. [title] Prepare the cage for the baby hamsters' birth. Ending3: You can also get an ultrasound to look for signs of complications. [substeps] If the mother goes into labor, she usually gets regular checkups. Ending4: [substeps] Check online for pet care companies near you, and ask for an " extended care " package that includes additional care. Always look for a source of income or a responsible home for the pups.

Answer format: ending1/ending2/ending3/ending4