GENERIC NAME: Progesterone. BRAND NAME: Prometrium. DRUG CLASS AND MECHANISM: Progesterone is a man-made medication derived from a plant source and is identical to the female hormone, progesterone produced in the ovaries.
Confidence votes 11.0K. The average IQ for an American adult is 98, and reaches spot 18 in countries with the highest IQ average. However, there are several spots in which there are duplicate averages, and the US has the 9th highest IQ average (106 being the highest). Desiree Davidson.
Two of the world's most highly regarded scientists in the field of human intelligence, Dr. Arthur Jensen and Dr. Philippe Rushton, now believe they previously OVER-ESTIMATED the average intelligence of American negroes, when they estimated the average American negro IQ to be 85.