The Average Age of , a Girl's First Menstrual Cycle

question 13

Short Answer

The average age of , a girl's first menstrual cycle, dropped during the twentieth century.

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Definitions:

American Society

Describes the social structure, cultural norms, and societal behaviors prevalent within the United States.

Social Stratification

The hierarchical arrangement of society whereby individuals or groups are ranked according to various criteria like wealth, power, and status.

Upper-upper Class

The most affluent and influential segment of society, often characterized by generational wealth, elite social status, and significant power.

Inherit

means to receive or come into possession of properties, titles, or traits from ancestors or predecessors, through legal succession or biological inheritance.