Journal of Women's Health Care
Open Access
ISSN: 2167-0420
ISSN: 2167-0420
Nozoe KT
Brazil
Research Article
The Age of Menopause and their Associated Factors: A Cross-Sectional Population-Based Study
Author(s): Helena H, Polesel DN, Nozoe KT, Sanchez ZM, Prado MCO, Andersen ML, Bittencourt L and Tufik SHelena H, Polesel DN, Nozoe KT, Sanchez ZM, Prado MCO, Andersen ML, Bittencourt L and Tufik S
Purpose: To characterize the onset of natural menopause and to investigate the associated factors with the age of menarche and natural menopause in a population aged 29-59 yrs in Sao Paulo, Brazil.
Methods: In total, 426 women underwent clinical evaluation and blood collection for biochemical analysis. Participants were classified as being in the premenopausal or natural menopausal stage.
Results: The results showed that the mean age of menarche was 12.7 yrs and that the mean age of menopause was 47.5 yrs. The associated factors with women who began menopause before an average age of 47 yrs were age (OR: 0.85), luteinizing hormone (OR: 0.93) and follicle-stimulating hormone (OR: 1.03). Menopause of <47 yrs was negatively associated with age and luteinizing hormone. Follicle-stimulating hormone levels were associate.. View More»
DOI:
10.4172/2167-0420.1000335