Lexapro & the 3rd trimester

Kristen • Momma to 3 beautiful girls (2 of which are identical twins). Trying for final pregnancy (hopefully a boy!)
I have been on Lexapro 20mg for a couple years now for anxiety. When I got pregnant my OB and GP told me that I would be just fine staying on it. I've read a lot recently about how it can affect the baby while taking it during the third trimester. I am 27.4 weeks right now and was considering tapering off of it very soon so baby doesn't have any issues following delivery.
Had anyone ever had any experiences with this sort of thing?