What a very kind, comforting and thoughtful post, Ms.B.
I agree with MsB , cotton.
Part may be it’s her first litter
Part May sense a bad condition
My cat Fluffy Snowball was my first person . White
Her first litter she had 5. The biggest and most aggressive baby annoyed Fluffy profoundly and she was continually moving that kitten all over. Once I found him in the bathroom trash basket!
But the others had a difficult feeding with him there pushing them away