{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,15]],"date-time":"2025-08-15T01:57:35Z","timestamp":1755223055083,"version":"3.43.0"},"reference-count":35,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,1,27]],"date-time":"2025-01-27T00:00:00Z","timestamp":1737936000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100006506","name":"Minist\u00e9rio da Sa\u00fade","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100006506","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Australas J Ageing"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Bone mineral density changes during the life span, rising rapidly during adolescence, plateauing around 30\u2009years of age and decreasing in later years. Life events such as pregnancy and lactation temporarily reduce bone density, and their long\u2010term effects on osteoporosis development are still unclear. This study aimed to analyse the association between pregnancy in adolescence and osteoporosis in aged women.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This was a cross\u2010sectional study conducted with data from the <jats:italic>ELSI\u2010Brazil<\/jats:italic> baseline (2015\u20132016). The sample consisted of 2634 women aged 60\u2009years old or over with complete information for the variables of interest. Data collection was conducted through individual home interviews and physical assessments. The dependent variable was osteoporosis and the independent variable of interest was pregnancy in adolescents under 20\u2009years of age. The association between the variables was tested using multiple logistic regression.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The prevalence of osteoporosis was 32%, and the percentage of women who reported pregnancy in adolescence was 38%. After adjusting for socio\u2010economic and health variables, an association was observed between pregnancy in adolescence and osteoporosis (OR\u2009=\u20091.38; 95% CI\u2009=\u20091.09\u20131.73), which indicates that specific bone health interventions for teenage mothers could help prevent osteoporosis later in life.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Women who reported pregnancy before age 20 were more likely to report osteoporosis in old age, indicating that pregnancy in adolescence can be a criterion for directing actions to prevent osteoporosis in aged women.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ajag.13403","type":"journal-article","created":{"date-parts":[[2025,1,27]],"date-time":"2025-01-27T13:09:52Z","timestamp":1737983392000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Does pregnancy in adolescence increase the chances of osteoporosis among aged women? 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