I’m seventeen weeks pregnant, at twelve week scan my baby girl had fluid over her head neck and top of back, a few days later I had detailed scam and referred for cvs, the fluid had cleared apart from back of neck so had bloods but came back high risk for downs so had cvs, initial results clear but final results show extra dna in chromosome one, I’m so worried and have to go back to hospital next Tuesday for scan and see genetic Counseller, has anyone heard of this, tried google but nothing and I’m so worried, thanks in advance for any help