Hi there, i’ve just went for my 20th week detailed scan and radiologist discovered my baby girl has ARSA too. My gyne suggested that i should go for amnio but i’m not sure whether if i should for it or not. I didn’t test for any DS cause i’m only 26 and no family history of DS. So another opt is to go for the harmony bloof test. For a peace of mind. For those mummy who have experienced this..Mind sharing ur experience..