Quick Answer: What viruses can harm an unborn baby?

Which virus can cause fetal death or birth defects if a pregnant woman is exposed to it?

Most people have been infected with cytomegalovirus (CMV), but do not have symptoms. If a pregnant woman is infected with CMV, she can pass it to her developing baby. This is called congenital CMV, and it can cause birth defects and other health problems.

What virus can cause miscarriage?

The association of systemic infections with malaria, brucellosis, cytomegalovirus and human immunodeficiency virus, dengue fever, influenza virus and of vaginal infection with bacterial vaginosis, with increased risk of miscarriage has been demonstrated.

Can a virus affect my unborn baby?

Most viruses will not hurt your baby. However, some viruses can cause miscarriage or birth defects in your baby. A virus can affect your respiratory tract (breathing) and can cause other symptoms. The flu and the common cold are examples of viral infections.

What infections can cross the placenta?

Maternal infections caused by most organisms which can cross the placenta (including rubella, mumps, poliomyelitis, smallpox, rubeola, syphilis, malaria, toxoplasmosis, and infections caused by S typhosa, V fetus, L monocytogenes, cytomegalovirus, and herpes simplex virus) may result in abortion or stillbirth.

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Can having the flu when pregnant harm the baby?

If you have flu while you’re pregnant, it could mean your baby is born prematurely or has a low birthweight, and can even lead to stillbirth or death in the first week of life. Getting the flu vaccine is safe during any stage of pregnancy, from the first few weeks up to your expected due date.

Which virus can cross the placenta and affect the fetus causing spontaneous abortion or serious fetal damage?

Measles virus infection (rubeola) during pregnancy, as with VZV infection, tends to be severe, with pneumonitis predominating. Although it is not known to be teratogenic, rubeola has been associated with spontaneous abortion, premature labor, and low birth weight.

Can a virus pass through the placenta?

Their early findings, from COVID-19-positive women who gave birth in April and May 2020, indicate that the virus can penetrate the placenta, but only partially.