3 month old arching back while on the breast

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Hi all

For the last couple of days my 3 mo has been struggling to latch onto the breast she arches her back and neck backwards and its a whole struggle trying to get her "nose to the hose, tummy to the mummy:. I ended up having to give her bottles whrn she does this and doesnt latch. She is showing signs of wanting to roll - I wonder if this could be part of it? Or is it her telling me shed prefer the bottle? I make sure to pace feed. Anyone had similar experiences and how did u overcome it?