However, some babies have health problems at birth or that develop later. Some babies with congenital CMV infection have health problems that are apparent at birth or that develop later during infancy or childhood. In the most severe cases, CMV can cause the death of an unborn baby pregnancy loss.
Some babies with signs of congenital CMV infection at birth may have long-term health problems, such as:. Some babies without signs of congenital CMV infection at birth may have hearing loss. Hearing loss may be present at birth or may develop later, even in babies who passed the newborn hearing test.
A pregnant woman can pass CMV to her unborn baby. This can happen when a pregnant woman is infected with CMV for the first time or is infected with CMV again during pregnancy. People who have frequent contact with young children may be at greater risk of CMV infection because young children are a common source of CMV. By the age of five years, one in three children has been infected with CMV, but usually does not have symptoms.
A woman who is infected with CMV can pass the virus to her developing baby during pregnancy. Testing should be done within 2 to 3 weeks after your baby is born to confirm that your baby has congenital CMV. Babies who show the signs of CMV at birth may be treated with antiviral medications.
These medications can include ganciclovir or valganciclovir. However, both can cause serious side effects.
More research about using antiviral medications on babies is needed. Using antivirals to treat babies with congenital CMV who have no signs at birth is not currently recommended. Babies with congenital CMV, with or without signs at birth, should have regular hearing checks. This may include speech services or occupational therapy.
CMV can be transmitted to your baby through breast milk while nursing. If you have CMV, you can nurse your baby if they were full term at birth. However, if your baby was born before 30 weeks of pregnancy and weighs less than 3.
Some preterm and low birthweight babies can get sick from infected breast milk. Freezing and pasteurizing heating breast milk can decrease the risk of transmission. However, freezing does not make nursing completely safe for your baby. Scientists are working to develop vaccines for CMV.
Vaccines make you immune to certain diseases. These vaccines may help prevent CMV infection in pregnant people and babies, and they may help reduce the chance that a baby born to an infected person will have health problems. Get expert tips and resources from March of Dimes and CDC to increase your chance of having a healthy, fully-term pregnancy and baby.
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Cytomegalovirus and pregnancy. E-mail to a friend Please fill in all fields. Please enter a valid e-mail address. Thank you! Your e-mail was sent. Save to my dashboard Sign in or Sign up to save this page. Saving Just a moment, please. You've saved this page It's been added to your dashboard. In This Topic. CMV is the leading cause of hearing loss in this country, causing 1 in 3 cases of hearing loss.
What is cytomegalovirus? But CMV can cause serious health problems for some, including: Babies who get infected before birth Preterm babies babies born before 37 weeks of pregnancy or low birthweight babies babies born weighing less than 5 pounds, 8 ounces People with weakened immune systems. What are the signs and symptoms of CMV? Sometimes it causes problems in babies if you get it during pregnancy congenital CMV.
CMV is related to the herpes virus that causes cold sores and chickenpox. But CMV can cause serious health problems in some babies who get the virus before birth, and in people who have a weakened immune system. It can be passed on through sexual contact and contact with other body fluids including saliva, blood, breast milk, tears, pee and poo. Pregnant women can pass an "active" CMV infection on to their unborn baby. This is known as congenital CMV.
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