In this article:
What Exactly Is CMV?
As per Dr Lamba, Cytomegalovirus (CMV) is a virus which generally results in very minor symptoms or no symptoms at all in healthy adults. For the vast majority of individuals who get infected, CMV remains unnoticed, and this is exactly one of the reasons why the majority of pregnant women do not know about the existence of the virus.Why CMV Matters During Pregnancy
As explained by Dr Lamba, CMV becomes significant in pregnancy because of its ability to be transferred from a mother to the fetus during pregnancy. This phenomenon is called congenital CMV. The difference between the manifestation of CMV in adults and that in a fetus is that, in the latter case, the virus can become dangerous and pose a risk to long-term health. This difference, which exists between manifestations of the same virus in adults and fetuses, is exactly the main reason for paying special attention to CMV during pregnancy.What Are the Consequences of Congenital CMV for Baby?
The vast majority of infants who contract CMV before birth will not face any health issues. It is critical to understand that this is true for most babies, meaning that those whose mothers contract CMV while being pregnant will remain healthy throughout their lives.However, in some cases, the following problems may arise:
- Impaired hearing
- Growth issues
- Vision impairments
- Neurological development complications
Taking into consideration this spectrum of possible consequences, from no harm to some complications, there are certain aspects to consider regarding congenital CMV.
How Doctors Approach CMV Testing
It is essential to know that CMV is not tested as part of routine prenatal screening in many guidelines because there is no way to determine which infected children would develop complications using the existing testing methods. It is important to understand the difference in order to see why CMV testing is not carried out in every case as a matter of course.Based on the symptoms, exposure or ultrasound findings, the physician may decide on conducting some special blood tests, ultrasounds and further tests if needed.
When Should a Doctor Be Consulted?
In the case of CMV, consulting a doctor might be recommended in the following scenarios:- There are symptoms of the viral infection in pregnancy and the reasons remain unknown
- The woman has experienced significant contact with the saliva or urine of a young child
- There has been an abnormality found on ultrasound
- Just more information is needed concerning whether CMV is related to a particular pregnancy
Knowing what CMV is and why it needs special attention in pregnancy provides helpful information without suggesting that all pregnancies should be tested for it. The majority of children exposed to CMV do not suffer from it at all, and only the doctor can help to understand whether a particular situation needs special consideration.
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FAQs on CMV During Pregnancy: What It Means and How It Is Tested
- Is it possible to test for CMV even in the absence of symptoms or exposure?
It is possible in some instances, though not usually routine in many guidelines. Special situations and concerns should be addressed directly to your doctor. - Does having had CMV before pregnancy offer protection during this pregnancy?
In most cases, being infected with CMV previously reduces the likelihood of transmitting CMV to the fetus in your subsequent pregnancy, but does not fully prevent that from happening because of the possibility of re-infection. - If the infant is found to have been infected with congenital CMV, does it mean there will definitely be problems?
No, most infants who are infected with congenital CMV do not suffer from any complications