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.
This curve tells us that the average IQ score is 100, and about 95% of the population have an IQ score (measured by a valid IQ test) somewhere between 70 and 130. 68% have an IQ level between 85 and 115.