The effect of parity, breastfeeding history, and duration on clinical and pathological characteristics of breast cancer patients

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dc.contributor.authorAk N.
dc.contributor.authorTuz Z.
dc.contributor.authorAydin E.
dc.contributor.authorFerhatoğlu F.
dc.contributor.authorSari M.
dc.contributor.authorPaksoy N.
dc.contributor.authorDoğan I.
dc.date.accessioned2024-03-13T10:01:21Z
dc.date.available2024-03-13T10:01:21Z
dc.date.issued2024
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractBackground/aim: The study is aimed to determine the relationship between the delivery and breastfeeding history of the patients and the clinicopathological properties of breast cancer. Materials and methods: A questionnaire was utilized for the study, which included the age of diagnosis, the number of children at the time of diagnosis, the age of the children, and the breastfeeding period of each child. Results: The study included 828 patients. The median age at diagnosis was 47 years for parous women and 42 years for nonparous women (p < 0.001). The tumor size of the patients diagnosed within the breastfeeding period was significantly larger compared to the other patients. Estrogen and progesterone receptor positivity were lower in patients diagnosed during breastfeeding. Additionally, the mean number of positive lymph nodes, dissected lymph nodes, and positive lymph node/dissected lymph node ratio in parous and breastfed patients with a nonmetastatic disease were statistically significantly higher in multivariable analysis than those patients who were nulliparous and have not breastfed. Conclusion: Breast cancer is seen at a later age in patients who are parous than those who have never given birth. Patients who are parous and have breastfed tend to present with a higher stage of the disease. © 2024, Turkiye Klinikleri. All rights reserved.en_US
dc.identifier.doi10.55730/1300-0144.5784
dc.identifier.endpage238en_US
dc.identifier.issn1300-0144
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85185676106en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage229en_US
dc.identifier.urihttps://doi.org/10.55730/1300-0144.5784
dc.identifier.urihttps://hdl.handle.net/20.500.12662/3138
dc.identifier.volume54en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTurkiye Kliniklerien_US
dc.relation.ispartofTurkish Journal of Medical Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectbreast canceren_US
dc.subjectBreastfeedingen_US
dc.subjectbreastfeeding durationen_US
dc.subjectdeliveryen_US
dc.subjectlactationen_US
dc.subjectstageen_US
dc.titleThe effect of parity, breastfeeding history, and duration on clinical and pathological characteristics of breast cancer patientsen_US
dc.typeArticleen_US

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