When Jodi Saari of Apple Valley came down with cold-like symptoms during her second pregnancy, she thought nothing of it.

However, when a 28-week ultra-sound revealed that her child’s brain was not developing normally, Saari realized it was something much more serious. See more in Jessica Harper's ThisweekLive story.

Eight weeks later, she was diagnosed with cytomegalovirus, a virus that is in the same family as the chicken pox. CMV remains a relatively unknown illness by the public, yet it is the most common virus transmitted to a pregnant woman’s unborn child, according to the Centers for Disease Control and Prevention.

Apple Valley resident Jodi Saari founded a Minnesota Chapter of Stop CMV, a national organization that raises awareness about cytomegalovirus, a virus that causes birth defects in unborn children, after her daughter Avery was born with developmental delays from the disease. (Photo by Jessica Harper)