ArticleBMC women's health2026
Pregnancy history is associated with lower odds of osteoporosis among Taiwanese women.
Article in BMC women's health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundOsteoporosis is a major public health concern worldwide. Although female reproductive factors have been suggested to influence bone health, their associations with osteoporosis remain inconclusive.
objectiveThis study aimed to investigate the associations between reproductive characteristics and the odds of osteoporosis in Taiwanese women.
methodsWe conducted a cross-sectional analysis using data from women randomly selected from the Taiwan Biobank. Bone mineral density (BMD) status was classified into three categories according to the World Health Organization (WHO) criteria: normal BMD (T-score > - 1.0), osteopenia (- 2.5 < T-score ≤ - 1.0), and osteoporosis (T-score ≤ - 2.5). Univariable and multivariable logistic regression analyses were performed to assess the association between reproductive factors and the odds of BMD status.
resultsAmong the 4,854 participants, 3,107 (64.0%) were classified as having normal BMD, 1,374 (28.3%) as having osteopenia, and 373 (7.7%) as having osteoporosis. Univariate analysis showed that a history of pregnancy was associated with a higher odd of osteopenia (odds ratio [OR] = 1.946, 95% CI: 1.589-2.382, p < 0.001), osteoporosis (OR = 1.825, 95% CI: 1.288-2.586, p = 0.001), and low BMD level (T-score < -0.1) (OR = 1.919, 95% CI: 1.597-2.306, p < 0.001). After adjusting for known confounders, pregnancy history was associated with a lower odd of osteoporosis (adjusted OR = 0.644, 95% CI: 0.422-0.981, p = 0.041), but not significantly associated with the odds of osteopenia or low BMD level.
conclusionsPregnancy history was independently associated with lower odds of osteoporosis among Taiwanese women after adjustment for known confounding factors. However, given the cross-sectional nature of this study, causal relationships cannot be established. Future longitudinal studies are warranted to validate this finding.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.