Internal medicine

Sociology

Menopause

Population

Life span

Demography

Gynecology

National Health and Nutrition Examination Survey

Menarche

Fertility

Gerontology

Health statistics

Medicine

Environmental health

JAMA

This national survey study uses the National Health and Nutrition Examination Survey (NHANES) to describe trends in age at natural menopause, age at menarche, and reproductive life span, and variables associated with shorter and longer spans, among US women between 1959-1962 and 2015-2018.

Trends in Age at Natural Menopause and Reproductive Life Span Among US Women, 1959-2018