Congenital CMV: The Importance of Prevention, Early Screening and Treatment

Congenital cytomegalovirus (cCMV) is the most common infectious cause of congenital disabilities in the United States, affecting about 1 in 200 infants born each year

January 24, 2025
7 min

Phoenix Children's Medical Connection

At a Glance

Category	Detail
Condition	Congenital cytomegalovirus (cCMV)
Key Mechanisms	Transmission from pregnant individuals to fetuses can lead to developmental delays and neurological deficits.
Target Population	Infants born to pregnant individuals, particularly those with young children or in daycare settings.
Care Setting	Prenatal and pediatric care settings.

Key Highlights

cCMV is the most common infectious cause of congenital disabilities in the U.S.
Early identification and intervention can significantly improve outcomes.
10% of infants with cCMV show symptoms at birth; half face long-term health challenges.
Simple behavioral changes can reduce the risk of CMV transmission.
Newborn screening for cCMV is not routine but is critical for early intervention.

Guideline-Based Recommendations

Diagnosis

Offer saliva and urine tests when cCMV is suspected.

Management

Integrate cCMV screening into newborn hearing tests.

Monitoring & Follow-up

Schedule frequent audiological evaluations due to the progressive nature of hearing loss.

Risks

Children with cCMV may experience hearing loss, vision impairment, cognitive delays, and motor difficulties.

Patient & Prescribing Data

Infants diagnosed with cCMV and their families.

Access to therapies such as physical, occupational, and speech therapy is essential.

Clinical Best Practices

Educate families on prevention strategies during prenatal visits.
Provide emotional and practical support to families navigating a cCMV diagnosis.
Coordinate care among pediatricians, audiologists, and specialists.