Should cell-free fetal DNA be included in first trimester screening (FTS) for common trisomy? A possible scenario on 6697 women screened over 10years

摘要

ObjectiveThe primary aim was to determine the performance of the first trimester screening (FTS) test in a general obstetrics population. Cost-benefit analysis of a hypothetic model based on implementation of the FTS test by cell-free fetal (cff) DNA was calculated.