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.
The average IQ of the population as a whole is, by definition, 100. IQs range from 0 to above 200, and among children, to above 250. However, about 50% of the population have IQs between 89 and 111, and about 80% of the population have IQs ranging between 80 and 120, with 10% lying below 80, and 10% falling above 120.