Hi,
When one of my queens had her first litter, my neutered boy at to be with her while she gave birth, it was her choice and she would not settle with out him until she had all her kittens.Then i got her settled down in the kittening quarters. Just bear in mind that if you allow them to be together, watch that the other cat doe`s not get in the way and the kittens dont get squashed. Especially when left unsupervised.

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Amanjay Siamese & Animal Healer.