National Center for Health StatisticsNCHS is the federal governments principal vital and health statistics agency. NCHS provides data on vital events (birth and mortality) as well as information on health status, lifestyle and exposure to unhealthy influences, onset and diagnosis of illness and disability, and the use of health care. The National Survey of Family Growth also includes information on family life, marriage and divorce, pregnancy, infertility, use of contraception, and men's and women's health.
