No relief from backpain

It's been 5 months since my delivery but I still haven't completely recovered from the back-pain. My doctor have given me few tablets to get relief from the pain and have asked me to change my mattress. She said that certain mattresses can worsen back-pain. So me and my husband went mattress shopping at Surplus ( http://www.surplusfurniture.com/en/thunder-bay/ma… ). We haven't bought a mattress yet because I need to be sure that these would help lessen my back-pain. What say guys, will these mattresses be enough?

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About Nora
Birth: December 31
On Moms.com since: Aug 9, 2016