Education. Dermatology is one of the most highly competitive medical fields, and requires several years of education and training. The first step is an undergraduate degree from a four-year college, including pre-medical courses in biology, organic chemistry, physics, and chemistry.
Diagnosing Down Syndrome. Down syndrome is typically diagnosed during pregnancy or shortly after birth. Learn about the screenings available and what they mean.
The results are combined to estimate the risk that your baby has Down syndrome. This test can achieve the same level of detection as the first trimester combined test but with a lower false-positive rate, meaning that fewer women are incorrectly identified as carrying a baby with Down syndrome. 1  First trimester. 2  Second trimester.