Borderline Trisomy 21

Hannah
Hi all, I'm 13 weeks and my Dr just called to go over my blood test results I had through Counsyl. She said I was borderline for Trisomy 21 and said she wasn't concerned since the NT ultrasound I did came back normal. She does want to repeat the US and if they offer amniocentesis to go ahead to do it. Has anyone been in the same situation. I'm feeling a uneasy...