Health Encyclopedia

Chromosomal Abnormalities

There are many different types of chromosome abnormalities that require clinical care by a physician or other healthcare professional. Listed in the directory below are some, for which we have provided a brief overview.

Down Syndrome (Trisomy 21)

Trisomy 18 & 13

Turner Syndrome



Medical Reviewers:

  • Akin, Louise RN BSN
  • Bowers, Nancy A. RN, BSN, MPH
  • Heather Clark, MS, CGC
  • Jennifer Kanipe, RN, BSN