I was told that my baby has one small CPC but no other soft markers and that everything is developing fine and the baby's weight etc is where it needs to be.  In my ultrosound report it says that there is a rare association with trisomy 18 so they send me to do bloodwork to see if the baby has extra chromosomes I think. Now impatiently waiting for results and freaking out.  I heard that it is very common in babies at this stage and should dissolve as the baby grows and it's just extra fluid. Since there are no other markers it is not s huge concern but I am still worried.:(