Triple X Syndrome for Parents
Triple X syndrome (also known as XXX syndrome, 47,XXX, and trisomy X) is a genetic condition found in girls only. Girls who have it may be taller than average, but the symptoms can vary greatly.
Learn about conditions that can be caused by changes in our genes.
Diseases & Conditions - Nemours KidsHealth for Parents
Looking for information about a chronic childhood condition or disease? Read about asthma, allergies, cancer, diabetes, heart murmurs, sleep disorders, and much more.