Low Amniotic Fluid

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I went for ultrasound at 34 weeks and my Amniotic Fluid level was at 7

my midwife did not call or said anything

should i be concerned & call her . i have done some research and found 7 can be low and required more monitoring . my last pregnancy ended in fetal demise at 28 weeks due to no fluid found around my baby .. i did not leak or anything!