Birth Defects & Disorders

Congenital CMV And Birth Defects

Cytomegalovirus, or CMV, is a very common member of the herpes family of viruses. By age 40, half of the adult population has been infected with CMV. Usually, a CMV infection is short-lived, does not produce noticeable symptoms, and afterward lies dormant in the body for life. But what happens if a pregnant woman picks up CMV […]


Phenylketonuria (PKU)

Phenylketonuria (PKU) is a metabolic disease caused by a genetic mutation. This disease used to be very difficult to diagnose, but for the last 40+ years, a PKU test has been a part of the neonatal screening process in the United States. If not immediately, continually, and properly treated by a particular diet, PKU can […]



Approximately 3% of babies born in the United States will have a birth defect. Learn about several risk factors that may lead to the necessity for genetic counseling.