In the United States, preterm delivery affects approximately one in 10 births and is the cause of at least 75 percent of neonatal deaths, excluding those related to congenital malformations.1. Preterm labor is defined as labor that occurs before completion of the 37th week of gestation.
Santiago, the capital, is the largest city. The city/urban population is 308,000, but the Santiago Metropolitan Region has more than 6 million inhabitants, representing the most populated and most densely populated region in Chile.he official 2012 estimate placed Chile's population at 17.4 million. Chile's population is estimated to have grown in 2013 to 17,643,916, and in 2015 to 17.9 million, which makes it the 61st most populous country on earth.
Photograph by Peter Essick. Sunset casts a rosy glow over granite peaks encircling a glacial lake in Torres del Paine National Park, Chile. Chile's prized jewel, the 598,000-acre (242,000-hectare) national park is a mosaic of landforms including soaring mountains, golden pampas, and grinding ice fields.At the southern tip of South America, the region of Patagonia includes parts of Argentina and Chile.hotograph by Peter Essick. Settlements, like this twinkling village built between the mountains and the sea, are few and far between in Patagonia. The 260,000-square-mile (673,000-square-kilometer) region is so sparsely settled that population density is as low as one person per square mile in some areas.