Support WBURTaming The Twin Trend From Fertility TreatmentsPlay08:59Download AudioJennifer LuddenMarisa PeñalozaMarch 29, 2011 ShareSince 1980, the rate of twin births has jumped 70 percent, according to government statistics. (Courtesy of Dan Reichmann)
Since 1980, the rate of twin births has jumped 70 percent, according to government statistics. (Courtesy of Dan Reichmann)