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.
Jensen and Rushton now believe the average IQ of the American negro is probably 78, rather than 85. The average IQ of the American White is 100. Moreover, despite the huge amount of money thrown at this problem, this large intelligence gap is NOT narrowing with time.