The mortality rate for American mothers has more than doubled in the past 25 years. Kelly Wallace explains why.
원문출처 : http://www.cnn.com/videos/health/2015/11/19/surprising-facts-giving-birth-us-orig.cnn
원문출처 : http://www.cnn.com/videos/health/2015/11/19/surprising-facts-giving-birth-us-orig.cnn