How Long Is the Gestation Period of a Hamster?


Quick Answer

The gestation period of a hamster varies by type, but one can expect a litter roughly 18 to 22 days after the hamster is inseminated. A pregnant female will spend less time wheel running and more time eating, and she will become more aggressive as her due date approaches.

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Full Answer

The average litter size for a hamster is usually four to six pups, but some hamsters can have up to 12 pups in a litter. However, it is important to note that even if the female has 12 pups, she may not care for all of them and may even eat some of her young. If the male hamster is left in the cage, the male and female may begin mating shortly after the birth of the first litter which could cause another litter to come soon after. Separate the two to avoid a population explosion.

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