A nurse measures the head of a newborn baby in a maternity center in Caracas, on December 15, 2011. According to the World Health Organization, Venezuela holds the first place in South America in cases of early pregnancy, with about 1,500 children born daily from teenage mothers aged between 12 and 19 years. AFP PHOTO / Leo RAMIREZ (Photo credit should read LEO RAMIREZ/AFP/Getty Images)
