<http://schema.org/description>
"A U.S. study of teen sex from 2006 to 2010 found the probability of having had a birth before age 20 was 18 percent, federal health officials said."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2011/10/13/US-teen-birth-rate-down-slightly/UPI-68471318563907/?rel=26771319401174>