Questions??

Dinah • Hi I`m dinah and I have 2 boys one who will be 5 soon another that is 9months also 1 mc.

I had my gender scan Thursday and she wants me to get another one when I get my sugar tested in 2 months. The reason she wants to do another is that my fluid looked low. She said not to be concerned because it's normal sometimes. I just want to know from y'all who have had low fluid as well is it something to be concerned about? This is my 3rd baby but I have never experienced this?