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If your mouse is pregnant then the male mice should not be attempting to mate with it. Other than that, keep an eye on her. She could start making a nest out of shredded paper etc (and it is a nice idea to give her some paper or soft material to make her bed out of). After a while she will start getting plump in the middle. TRULY the middle, not just the tummy. She will look like she swallowed a marshmallow eventually. P.S. Mice pregnancy goes really fast. Just a few weeks. Good luck! If she is not pregnant the male will keep trying to mate with her every 24 hours until she is. Mice have short estrus periods and are VERY prolific.

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17y ago

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