Like other pets, hamsters benefit from environmental enrichment that makes it possible for them to behave much like they would in the wild. Sure, you want an enclosure that will be large enough for them to move about comfortably, with areas for eating and sleeping, but you can do a lot more to keep your little hamster happy and stress-free. Here are a few easy ways to enrich your hamsters ...
Should I Rearrange My Hamsters Cage?: A Comprehensive Guide Rearranging your hamsters cage can be beneficial for enrichment, but its crucial to do it carefully and gradually to avoid stressing your little friend. Its essential to understand your hamsters individual needs and behaviors before making any changes. The Importance of Environmental Enrichment for Hamsters Hamsters ...

It should also increase the hamsters control over their environment and be stimulating. Hamsters that are kept in housing without any added enrichment develop an increase in aggression, a lack of appetite, and depression (McClure & Thompson 1992), and giving them certain enrichment items helped alleviate the behaviors.

As we can see from the illustration, Environmental Enrichment For Pregnant Hamster Cages has many fascinating aspects to explore.
A video on how to prepare your cage and everything for a pregnant hamster.

Preparing your hamsters cage and environment for her young. As we have already mentioned, pregnant hamsters tend to become more aggressive because they feel vulnerable. They will feel the need to defend their territory to ensure that their offspring are born in a safe environment.