A Danish study reports that pregnant mothers who take antiviral drugs frequently used to treat herpes simplex and herpes zoster infections during the first trimester of pregnancy do not appear to have an increased risk of major birth defects. The study is published in JAMA (Journal of the American Medical Association), August 25th issue. The authors inform that over 1% of susceptible females acquire herpes simplex during their first trimester of pregnancy - antiviral treatments are indicated for a considerable number of such patients during pregnancy Read from Source
