Question

Explain MENARCHE and MENOPAUSE ? ​

Answer 1

The authors examined the relation between socioeconomic status, as defined by education level, and postmenopausal breast cancer incidence using data from the National Health and Nutrition Examination Survey I Epidemiologic Followup Study. Female participants in the study were followed from 1971–1974 to 1992–1993. Cox proportional hazards modeling was used to determine the relation between breast cancer incidence and education level

Answer 2

well i think you are really very fond of biology!!
and menarche is the beginning of periods and menopause is the permanent end of periods