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Is it safe to separate 3-week-old mouse babies from their mom?

Updated On September 23rd, 2025

Pet's info: Small Animal | Mouse | Female | unspayed | 5 lbs

I have a mouse who gave birth 2 weeks ago the babies will be 3 weeks old tomorrow and there all eating and drinking water on there own and I was wondering if I can put the babies in a cage without the mom or do I have to wait until there 4 weeks old?

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on January 7th, 2019

As long as Jacky isn't pregnant again, you can keep her with the babies for another week. At four weeks, you can separate them. Be sure to house the male and female babies separately before eight weeks of age, or else they will mate with each other. I hope this helps!

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