Would you buy new Moses basket mattress?

I know it's recommended for each new baby to have a new mattress to reduce SIDS My daughter was a tiny baby and only in her Moses basket for 20 weeks. The mattress that we bought for her was an expensive one and she was only on it a short space of time. There are no dents in the structure, no tears and... show more I know it's recommended for each new baby to have a new mattress to reduce SIDS

My daughter was a tiny baby and only in her Moses basket for 20 weeks. The mattress that we bought for her was an expensive one and she was only on it a short space of time.

There are no dents in the structure, no tears and its basically completely immaculate, the only difference between that and a new one is she slept on it for 10 weeks only

Would you buy a new mattress in this situation?
Update: Oops

Yes it was 10- ten weeks only

New baby due in the next 4 weeks
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