Reproductive factors affecting the bone mineral density in postmenopausal women

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dc.contributor.authorOzdemir, F
dc.contributor.authorDemirbag, D
dc.contributor.authorRodoplu, M
dc.date.accessioned2024-06-12T11:19:38Z
dc.date.available2024-06-12T11:19:38Z
dc.date.issued2005
dc.departmentTrakya Üniversitesien_US
dc.description.abstractOsteoporosis has been defined as a metabolic bone disease characterized by a loss of bone mineral density (BMD) greater than 2.5 standard deviations below young adult peak bone mass or the presence of fracture. By considering that some factors related to female reproductive system might influence the ultimate risk of osteoporosis, we aimed to investigate if a relationship exists between the present BMD of postmenopausal women with their past and present reproductive characteristics. The present study focused on how BMD could be affected by the following factors in postmenopausal women, such as age at menarche, age at first pregnancy, the number of pregnancies and total breast-feeding time. We reviewed detailed demographic history of 303 postmenopausal women. According to the results of the present study, a negative correlation was found between the number of parities and BMD. The BMD values decreased as the number of pregnancies increased. When the BMD values for lumbar vertebrae 2 and Ward's triangle were investigated, it was observed that a significant difference exists between the women with no child birth and those with more than five parities. There was a significant relationship between age at first pregnancy and BMD values at the lumbar vertebrae 2 and Ward's triangle. Women who had five or more abortions were found to have significantly lower spine BMD values compared to women who had no abortions or women who had one or two abortions. These findings indicate that the increased risk of osteoporosis is associated with the increased number of pregnancies and abortions and higher age at first pregnancy.en_US
dc.identifier.doi10.1620/tjem.205.277
dc.identifier.endpage285en_US
dc.identifier.issn0040-8727
dc.identifier.issn1349-3329
dc.identifier.issue3en_US
dc.identifier.pmid15718820en_US
dc.identifier.scopus2-s2.0-17844378000en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage277en_US
dc.identifier.urihttps://doi.org/10.1620/tjem.205.277
dc.identifier.urihttps://hdl.handle.net/20.500.14551/25285
dc.identifier.volume205en_US
dc.identifier.wosWOS:000226961600009en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherTohoku Univ Medical Pressen_US
dc.relation.ispartofTohoku Journal Of Experimental Medicineen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectPost-Menopausal Womenen_US
dc.subjectJapanese Womenen_US
dc.subjectLactationen_US
dc.subjectPregnancyen_US
dc.subjectMassen_US
dc.subjectNumberen_US
dc.subjectLifeen_US
dc.subjectAgeen_US
dc.subjectPremenopausalen_US
dc.subjectOsteoporosisen_US
dc.titleReproductive factors affecting the bone mineral density in postmenopausal womenen_US
dc.typeArticleen_US

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