Hi, At my 20 week scan the lady said that my baby was small, she asked me how big were my other two kids they were in between 7-8pounds.When I went to my doctors 2 weeks later she said there were 2 soft markers . I didn't know what that ment so apparently the back of the neck measured >6mm and there was a shadow on the babies heart(a bright spot). So these are ''soft markers'' for down syndrome. They gave me another ultra sound that day and the results were the neck fold was >5mm which is pretty normal for 22 weeks but there was still a bright spot on the babies heart but the lady said it usually disappears before the birth and doesn't affect the working of the heart at all.
So from 22 weeks on I worried. My doctor gave me another ultra sound a week before I gave birth and the bright spot had disappeared.On the 30th of January 2008 I gave birth to a BIG baby boy 8 .1/2.pounds my biggest baby out of all of them. And he is perfect,healthy,and the best thing that ever happen to me. I do think these days they may tell you a little bit to much information. And you have to think its soft markers - that means down syndrome babies are found with these + other Hard markers so if I was you try not to worry I know its hard but it sounds to me the baby is just find .
Goodluck with everything let me know how it all goes.