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.
IQ tests are designed so that the mean IQ score is 100, with a standard deviation of 15. That means that a measure of IQs across the overall population looks like a bell curve. This is a normal Gaussian distribution. The average IQ is 100, and approximately 95% of the overall population.