South Sudan's President Salva Kiir (3rd L) shakes hands with Sudan's President Omar al-Bashir as he arrives for talks at Khartoum Airport, Sept. 3, 2013.
U.N. Population Fund says adolescent pregnancy is the focus of World Population Day 2013.
Pregnant teenagers stand at the entrance of a maternity home in Jinotega city, some 160 km (99 miles) north of Managua October 24, 2013. According to the United Nations Population Fund (UNFPA), Nicaragua has one of the highest rates of teenage pregnancy in Latin America where between 13,000 and 16,000 adolescents give birth every year, counting for about 16% of the total births in the country. Picture taken October 24, 2013. REUTERS/Oswaldo Rivas
Two-hour old daughter of a 17-year old girl is fed by a nurse at a hospital in Chiang Mai's Fang district.