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.
Ever since the first IQ tests emerged, attempts to classify IQ have followed. While different test publishers utilize different scoring systems, for many modern IQ tests the average (or mean) score is set at 100 with a standard deviation of 15 so that scores conform to a normal distribution curve. 1  68 percent of scores fall within one standard deviation of the mean (that is, between 85 and 115)