Dismiss Modal

Diagnosis

Testing for Birth Defects

Choose a preferred language

There are many types of tests that may be performed to determine whether a child has a genetic birth defect. Listed in the directory below are some, for which we have provided a brief overview.

Chromosome Studies: Karyotype, Extended Banding, Fluorescence In Situ Hybridization (FISH), and Chromosomal Microarray Analysis

Studies for Single Gene Defects: DNA (Direct and Indirect)

Biochemical Genetic Testing

Featured in

© 2000-2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

Get Connected to a Care Manager

Get Connected
Related Articles
Read article
Genetic and Congenital Conditions
Medical Genetics: How Genetic Testing Is Used

Genetic testing can help find diseases that run in a family or don't yet have symptoms.

Read article
Genetic and Congenital Conditions
Evaluating a Child for Birth Defects

Detailed information on evaluating a child for birth defects

Read article
Genetic and Congenital Conditions
Genetic Disorders Associated with Congenital Heart Disease

Detailed information on congenital heart disease, including patent ductus arteriosus, atrial septal defect, ventricular septal defect, atrioventricular canal, tricuspid atresia, pulmonary atresia, transposition of the great arteries, tetralogy of Fallot, double outlet right ventricle, truncus arteriosus, coarctation of the aorta, aortic stenosis, and hypoplastic left heart syndrome

Read article
Genetic and Congenital Conditions
Flat Head Syndrome (Deformational Plagiocephaly)

Flat head syndrome (deformational plagiocephaly) is when a baby's head develops a lasting flat spot. The flat spot may be either on one side of the head or on the back of the head. This happens when a baby sleeps in the same position most of the time or because of problems with the neck muscles.