{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T06:03:46Z","timestamp":1789625026763,"version":"build-2803163510"},"reference-count":91,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T00:00:00Z","timestamp":1789603200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Aging Neurosci."],"abstract":"<jats:p>Reproductive life stages, menopausal symptoms, and hormonal exposures are increasingly recognized as potential determinants of cognitive outcomes in women. However, these associations remain largely understudied in Latin American and Caribbean (LAC) populations. In this systematic review, we identified 18 observational studies published between 2003 and 2025. Of these, 16 were conducted across 13 LAC countries and two were conducted among latina women in the United States. Evidence was organized across four reproductive life stages domains: reproductive history, menopausal hormone therapy use, type of menopause and menopausal symptoms, and postmenopausal factors. Most LAC studies were cross-sectional and demonstrated substantial methodological heterogeneity. Across studies, shorter reproductive span, earlier menopause, higher parity, surgical menopause, and greater menopausal symptom burden were generally associated with poorer cognitive performance or higher odds of mild cognitive impairment. Some studies suggested favorable associations between menopausal hormone therapy use and cognitive outcomes. Postmenopausal factors, such as sarcopenia and obesity, as well as a longer duration of menopause, were predominantly linked to poorer cognitive outcomes. Only one population-based cohort evaluated incident dementia, underscoring the scarcity of longitudinal evidence in the region. Overall, the evidence suggests that reproductive life stages in LAC women are meaningfully associated with cognitive outcomes, reflecting the influence of hormonal transitions, menopausal characteristics, and postmenopausal health within distinctive regional contexts. However, the predominance of cross-sectional designs and limited regional representativity, coupled with a lack of integrated physiological indicators, reveal a substantial knowledge gap. Longitudinal and regionally representative cohorts incorporating standardized assessments of reproductive life stages alongside comprehensive cognitive measures are essential to understanding how reproductive life stages shape cognitive outcomes in LAC women.<\/jats:p>\n                  <jats:p>\n                    <jats:bold>Systematic review registration<\/jats:bold>\n                    : The systematic review was registered in the Open Science Framework (OSF). Registration DOI\/unique identifier:\n                    <jats:ext-link>https:\/\/doi.org\/10.17605\/OSF.IO\/ME7XK<\/jats:ext-link>\n                    .\n                  <\/jats:p>","DOI":"10.3389\/fnagi.2026.1826530","type":"journal-article","created":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T05:32:27Z","timestamp":1789623147000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Reproductive life stages and cognitive outcomes: a systematic review in Latin American and Caribbean women"],"prefix":"10.3389","volume":"18","author":[{"given":"Nickole","family":"Mar\u00edn-D\u00edaz","sequence":"first","affiliation":[{"name":"Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ib\u00e1\u00f1ez","place":["Santiago, Chile"]},{"name":"Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ib\u00e1\u00f1ez","place":["Santiago, 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