South Dakota is named after the Lakota and Dakota Sioux Native American tribes, who make-up a significant part of the population and historically dominated the entire territory. South Dakota is the 5th least densely populated and the 17th most expansive state out of the 50. Simultaneously with North Dakota, South Dakota became a state on November 2, 1889. Pierre is the state capital and Sioux Falls is the largest city, with a population of about 171,000.San Diego sits as one of the more popular cities in the state. Humans have inhabited the area for several millennia, with the Sioux becoming prominent by the early 19th century. European-American settlement increased drastically after a gold rush in the Black Hills and the construction of railroads from the east, in the late 19th century. Intruding miners and settlers triggered a number of Indian wars, ending with the Wounded Knee Massacre in 1890.
The use of ultrasound in medical procedures has steadily become increasingly common. The freedom that it provides to surgeons to maneuver within the body has no second. Hence the use of 3D and 4D technology has also garnered more demand during pregnancy tests and prenatal care.