Down Syndrome Risk Assessment: What Is Evaluated During the 12-Week Ultrasound?

Assessing the risk of Down syndrome is one of the most important evaluations performed during the first trimester of pregnancy. It is mainly carried out during the 11–12-week ultrasound scan, together with specific blood tests, and estimates the probability that the baby may have certain chromosomal abnormalities. In this article, we explain what is assessed, […]