No. Circulating blood estradiol level after menopause is only ~10-20 pg/ml. This small quantity is actually not from the ovary, but rather a product of two conversion steps that happen in the body: androstenedione-->estrone-->estradiol.
According to this tradition, public administration became a. profession in the United States when government set standards of education, experience, and skill for the hiring, promotion, and discharge of public administrators (say, by the Civil Service Act of 1883).
Public administration is the implementation of government policy and also an academic discipline that studies this implementation and prepares civil servants for working in the public service.