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.
When Down syndrome is suspected in a person, a genetic test called a chromosome analysis is performed on a blood or skin sample to look for an extra chromosome 21 (trisomy 21). Trisomy 21 means that each cell in the body has three copies of chromosome 21 instead of the usual two copies.