Researchers at Tulane University have shown for the first time that mothers are much less likely to transmit a common virus known to cause miscarriages and birth defects if they are exposed to the virus prior to becoming pregnant. The study marks a significant step toward the development of a vaccine that could protect mothers and their babies. Cytomegalovirus (CMV) is a common herpesvirus that most women contract unknowingly before reaching child-bearing age. It's usually harmless except during pregnancy when, if passed on to the developing fetus, it is a leading cause of miscarriage and birth defects, including cerebral palsy and hearing loss.

https://www.miragenews.com/common-virus-exposure-shields-against-birth-1098368/

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