Preg Index Of / Anyone Ever Use A Preg Support Belt Like This? PIC INCLUDED And Is It Necessary?

Anyone ever use a preg support belt like this? PIC INCLUDED and is it necessary? - preg index of /

I am 20 weeks and shows a little bit .. I've seen this around, and I'm curious to know whether it is necessary to use, if later .. Need help with your back or just help you balance or what exactly they are used and are necessary?

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