Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis

Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate t...
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Autor*in:	Elham Manouchehri [verfasserIn] Ali Taghipour [verfasserIn] Vahid Ghavami [verfasserIn] Fatemeh Homaei Shandiz [verfasserIn] Abbas Ebadi [verfasserIn] Robab Latifnejad Roudsari [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	abortion (induced spontaneous) breast neoplasm breastfeeding menopause reproductive history

Übergeordnetes Werk:	In: International Journal of Preventive Medicine - Wolters Kluwer Medknow Publications, 2010, 13(2022), 1, Seite 26-26
Übergeordnetes Werk:	volume:13 ; year:2022 ; number:1 ; pages:26-26

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.4103/ijpvm.IJPVM_646_20

Katalog-ID:	DOAJ034732128

Internformat


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520			\|a Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate the relationship between menstrual and reproductive factors and BC in Iranian female population. Methods: Web of Science, PubMed, Scopus, and SID as well as references of included studies were searched. Among relevant published observational studies, 27 studies met the inclusion criteria. Pooled risk estimates for the risk factors were determined using random-effects models due to the presence of substantial heterogeneity (P < 0.05). Results: All of the selected studies had case–control design. There was a positive relationship between maternal age at first pregnancy and risk of BC (OR = 1.79 95% CI: 1.36–2.35). Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. In regard to the history of abortion, our findings revealed no association with BC, but in high-quality studies, this relationship was significant.
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700	0		\|a Abbas Ebadi \|e verfasserin \|4 aut
700	0		\|a Robab Latifnejad Roudsari \|e verfasserin \|4 aut
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author_variant	e m em a t at v g vg f h s fhs a e ae r l r rlr
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publishDate	2022
allfields	10.4103/ijpvm.IJPVM_646_20 doi (DE-627)DOAJ034732128 (DE-599)DOAJf0ef94d35c27429197e49133dd7b4436 DE-627 ger DE-627 rakwb eng Elham Manouchehri verfasserin aut Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate the relationship between menstrual and reproductive factors and BC in Iranian female population. Methods: Web of Science, PubMed, Scopus, and SID as well as references of included studies were searched. Among relevant published observational studies, 27 studies met the inclusion criteria. Pooled risk estimates for the risk factors were determined using random-effects models due to the presence of substantial heterogeneity (P < 0.05). Results: All of the selected studies had case–control design. There was a positive relationship between maternal age at first pregnancy and risk of BC (OR = 1.79 95% CI: 1.36–2.35). Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. In regard to the history of abortion, our findings revealed no association with BC, but in high-quality studies, this relationship was significant. abortion (induced spontaneous) breast neoplasm breastfeeding menopause reproductive history Medicine R Ali Taghipour verfasserin aut Vahid Ghavami verfasserin aut Fatemeh Homaei Shandiz verfasserin aut Abbas Ebadi verfasserin aut Robab Latifnejad Roudsari verfasserin aut In International Journal of Preventive Medicine Wolters Kluwer Medknow Publications, 2010 13(2022), 1, Seite 26-26 (DE-627)640379117 (DE-600)2574680-7 20088213 nnns volume:13 year:2022 number:1 pages:26-26 https://doi.org/10.4103/ijpvm.IJPVM_646_20 kostenfrei https://doaj.org/article/f0ef94d35c27429197e49133dd7b4436 kostenfrei http://www.ijpvmjournal.net/article.asp?issn=2008-7802;year=2022;volume=13;issue=1;spage=26;epage=26;aulast=Manouchehri kostenfrei https://doaj.org/toc/2008-7802 Journal toc kostenfrei https://doaj.org/toc/2008-8213 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022 1 26-26
spelling	10.4103/ijpvm.IJPVM_646_20 doi (DE-627)DOAJ034732128 (DE-599)DOAJf0ef94d35c27429197e49133dd7b4436 DE-627 ger DE-627 rakwb eng Elham Manouchehri verfasserin aut Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate the relationship between menstrual and reproductive factors and BC in Iranian female population. Methods: Web of Science, PubMed, Scopus, and SID as well as references of included studies were searched. Among relevant published observational studies, 27 studies met the inclusion criteria. Pooled risk estimates for the risk factors were determined using random-effects models due to the presence of substantial heterogeneity (P < 0.05). Results: All of the selected studies had case–control design. There was a positive relationship between maternal age at first pregnancy and risk of BC (OR = 1.79 95% CI: 1.36–2.35). Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. In regard to the history of abortion, our findings revealed no association with BC, but in high-quality studies, this relationship was significant. abortion (induced spontaneous) breast neoplasm breastfeeding menopause reproductive history Medicine R Ali Taghipour verfasserin aut Vahid Ghavami verfasserin aut Fatemeh Homaei Shandiz verfasserin aut Abbas Ebadi verfasserin aut Robab Latifnejad Roudsari verfasserin aut In International Journal of Preventive Medicine Wolters Kluwer Medknow Publications, 2010 13(2022), 1, Seite 26-26 (DE-627)640379117 (DE-600)2574680-7 20088213 nnns volume:13 year:2022 number:1 pages:26-26 https://doi.org/10.4103/ijpvm.IJPVM_646_20 kostenfrei https://doaj.org/article/f0ef94d35c27429197e49133dd7b4436 kostenfrei http://www.ijpvmjournal.net/article.asp?issn=2008-7802;year=2022;volume=13;issue=1;spage=26;epage=26;aulast=Manouchehri kostenfrei https://doaj.org/toc/2008-7802 Journal toc kostenfrei https://doaj.org/toc/2008-8213 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022 1 26-26
allfields_unstemmed	10.4103/ijpvm.IJPVM_646_20 doi (DE-627)DOAJ034732128 (DE-599)DOAJf0ef94d35c27429197e49133dd7b4436 DE-627 ger DE-627 rakwb eng Elham Manouchehri verfasserin aut Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate the relationship between menstrual and reproductive factors and BC in Iranian female population. Methods: Web of Science, PubMed, Scopus, and SID as well as references of included studies were searched. Among relevant published observational studies, 27 studies met the inclusion criteria. Pooled risk estimates for the risk factors were determined using random-effects models due to the presence of substantial heterogeneity (P < 0.05). Results: All of the selected studies had case–control design. There was a positive relationship between maternal age at first pregnancy and risk of BC (OR = 1.79 95% CI: 1.36–2.35). Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. In regard to the history of abortion, our findings revealed no association with BC, but in high-quality studies, this relationship was significant. abortion (induced spontaneous) breast neoplasm breastfeeding menopause reproductive history Medicine R Ali Taghipour verfasserin aut Vahid Ghavami verfasserin aut Fatemeh Homaei Shandiz verfasserin aut Abbas Ebadi verfasserin aut Robab Latifnejad Roudsari verfasserin aut In International Journal of Preventive Medicine Wolters Kluwer Medknow Publications, 2010 13(2022), 1, Seite 26-26 (DE-627)640379117 (DE-600)2574680-7 20088213 nnns volume:13 year:2022 number:1 pages:26-26 https://doi.org/10.4103/ijpvm.IJPVM_646_20 kostenfrei https://doaj.org/article/f0ef94d35c27429197e49133dd7b4436 kostenfrei http://www.ijpvmjournal.net/article.asp?issn=2008-7802;year=2022;volume=13;issue=1;spage=26;epage=26;aulast=Manouchehri kostenfrei https://doaj.org/toc/2008-7802 Journal toc kostenfrei https://doaj.org/toc/2008-8213 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022 1 26-26
allfieldsGer	10.4103/ijpvm.IJPVM_646_20 doi (DE-627)DOAJ034732128 (DE-599)DOAJf0ef94d35c27429197e49133dd7b4436 DE-627 ger DE-627 rakwb eng Elham Manouchehri verfasserin aut Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate the relationship between menstrual and reproductive factors and BC in Iranian female population. Methods: Web of Science, PubMed, Scopus, and SID as well as references of included studies were searched. Among relevant published observational studies, 27 studies met the inclusion criteria. Pooled risk estimates for the risk factors were determined using random-effects models due to the presence of substantial heterogeneity (P < 0.05). Results: All of the selected studies had case–control design. There was a positive relationship between maternal age at first pregnancy and risk of BC (OR = 1.79 95% CI: 1.36–2.35). Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. In regard to the history of abortion, our findings revealed no association with BC, but in high-quality studies, this relationship was significant. abortion (induced spontaneous) breast neoplasm breastfeeding menopause reproductive history Medicine R Ali Taghipour verfasserin aut Vahid Ghavami verfasserin aut Fatemeh Homaei Shandiz verfasserin aut Abbas Ebadi verfasserin aut Robab Latifnejad Roudsari verfasserin aut In International Journal of Preventive Medicine Wolters Kluwer Medknow Publications, 2010 13(2022), 1, Seite 26-26 (DE-627)640379117 (DE-600)2574680-7 20088213 nnns volume:13 year:2022 number:1 pages:26-26 https://doi.org/10.4103/ijpvm.IJPVM_646_20 kostenfrei https://doaj.org/article/f0ef94d35c27429197e49133dd7b4436 kostenfrei http://www.ijpvmjournal.net/article.asp?issn=2008-7802;year=2022;volume=13;issue=1;spage=26;epage=26;aulast=Manouchehri kostenfrei https://doaj.org/toc/2008-7802 Journal toc kostenfrei https://doaj.org/toc/2008-8213 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022 1 26-26
allfieldsSound	10.4103/ijpvm.IJPVM_646_20 doi (DE-627)DOAJ034732128 (DE-599)DOAJf0ef94d35c27429197e49133dd7b4436 DE-627 ger DE-627 rakwb eng Elham Manouchehri verfasserin aut Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate the relationship between menstrual and reproductive factors and BC in Iranian female population. Methods: Web of Science, PubMed, Scopus, and SID as well as references of included studies were searched. Among relevant published observational studies, 27 studies met the inclusion criteria. Pooled risk estimates for the risk factors were determined using random-effects models due to the presence of substantial heterogeneity (P < 0.05). Results: All of the selected studies had case–control design. There was a positive relationship between maternal age at first pregnancy and risk of BC (OR = 1.79 95% CI: 1.36–2.35). Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. In regard to the history of abortion, our findings revealed no association with BC, but in high-quality studies, this relationship was significant. abortion (induced spontaneous) breast neoplasm breastfeeding menopause reproductive history Medicine R Ali Taghipour verfasserin aut Vahid Ghavami verfasserin aut Fatemeh Homaei Shandiz verfasserin aut Abbas Ebadi verfasserin aut Robab Latifnejad Roudsari verfasserin aut In International Journal of Preventive Medicine Wolters Kluwer Medknow Publications, 2010 13(2022), 1, Seite 26-26 (DE-627)640379117 (DE-600)2574680-7 20088213 nnns volume:13 year:2022 number:1 pages:26-26 https://doi.org/10.4103/ijpvm.IJPVM_646_20 kostenfrei https://doaj.org/article/f0ef94d35c27429197e49133dd7b4436 kostenfrei http://www.ijpvmjournal.net/article.asp?issn=2008-7802;year=2022;volume=13;issue=1;spage=26;epage=26;aulast=Manouchehri kostenfrei https://doaj.org/toc/2008-7802 Journal toc kostenfrei https://doaj.org/toc/2008-8213 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2022 1 26-26
language	English
source	In International Journal of Preventive Medicine 13(2022), 1, Seite 26-26 volume:13 year:2022 number:1 pages:26-26
sourceStr	In International Journal of Preventive Medicine 13(2022), 1, Seite 26-26 volume:13 year:2022 number:1 pages:26-26
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	abortion (induced spontaneous) breast neoplasm breastfeeding menopause reproductive history Medicine R
isfreeaccess_bool	true
container_title	International Journal of Preventive Medicine
authorswithroles_txt_mv	Elham Manouchehri @@aut@@ Ali Taghipour @@aut@@ Vahid Ghavami @@aut@@ Fatemeh Homaei Shandiz @@aut@@ Abbas Ebadi @@aut@@ Robab Latifnejad Roudsari @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	640379117
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language_de	englisch
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Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. 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author	Elham Manouchehri
spellingShingle	Elham Manouchehri misc abortion (induced misc spontaneous) misc breast neoplasm misc breastfeeding misc menopause misc reproductive history misc Medicine misc R Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis
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topic_title	Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis abortion (induced spontaneous) breast neoplasm breastfeeding menopause reproductive history
topic	misc abortion (induced misc spontaneous) misc breast neoplasm misc breastfeeding misc menopause misc reproductive history misc Medicine misc R
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title	Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis
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title_full	Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis
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author_browse	Elham Manouchehri Ali Taghipour Vahid Ghavami Fatemeh Homaei Shandiz Abbas Ebadi Robab Latifnejad Roudsari
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title_sort	menstrual and reproductive factors and risk of breast cancer in iranian female population: a systematic review and meta-analysis
title_auth	Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis
abstract	Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate the relationship between menstrual and reproductive factors and BC in Iranian female population. Methods: Web of Science, PubMed, Scopus, and SID as well as references of included studies were searched. Among relevant published observational studies, 27 studies met the inclusion criteria. Pooled risk estimates for the risk factors were determined using random-effects models due to the presence of substantial heterogeneity (P < 0.05). Results: All of the selected studies had case–control design. There was a positive relationship between maternal age at first pregnancy and risk of BC (OR = 1.79 95% CI: 1.36–2.35). Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. In regard to the history of abortion, our findings revealed no association with BC, but in high-quality studies, this relationship was significant.
abstractGer	Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate the relationship between menstrual and reproductive factors and BC in Iranian female population. Methods: Web of Science, PubMed, Scopus, and SID as well as references of included studies were searched. Among relevant published observational studies, 27 studies met the inclusion criteria. Pooled risk estimates for the risk factors were determined using random-effects models due to the presence of substantial heterogeneity (P < 0.05). Results: All of the selected studies had case–control design. There was a positive relationship between maternal age at first pregnancy and risk of BC (OR = 1.79 95% CI: 1.36–2.35). Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. In regard to the history of abortion, our findings revealed no association with BC, but in high-quality studies, this relationship was significant.
abstract_unstemmed	Background: Breast cancer (BC) is the most frequent cancer in Iranian females. Due to the changes in lifestyle and reproductive risk factors, the BC incidence rate has been rapidly increasing. Knowing risk factors of BC could significantly contribute to improve preventive behaviors. To investigate the relationship between menstrual and reproductive factors and BC in Iranian female population. Methods: Web of Science, PubMed, Scopus, and SID as well as references of included studies were searched. Among relevant published observational studies, 27 studies met the inclusion criteria. Pooled risk estimates for the risk factors were determined using random-effects models due to the presence of substantial heterogeneity (P < 0.05). Results: All of the selected studies had case–control design. There was a positive relationship between maternal age at first pregnancy and risk of BC (OR = 1.79 95% CI: 1.36–2.35). Also, menopausal status was associated with higher risk of BC (OR = 1.60 95% CI: 1.18–2.17), whereas, there was no association between menarche age and increased risk of BC (OR = 0.55 95% CI: 0.29–1.03). History of abortion (OR = 1.21 95% CI: 0.97–1.5), nulliparity (OR = 1.43 95% CI: 0.89–2.31), and breastfeeding history (OR = 0.68 95% CI: 0.42–1.09) were not associated with BC risk. Conclusions: Our findings suggest that age at the first pregnancy and menopausal status were significantly associated with BC risk among Iranian women, whereas menarche age, nulliparity, and history of breastfeeding were not. In regard to the history of abortion, our findings revealed no association with BC, but in high-quality studies, this relationship was significant.
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title_short	Menstrual and reproductive factors and risk of breast cancer in iranian female population: A systematic review and meta-analysis
url	https://doi.org/10.4103/ijpvm.IJPVM_646_20 https://doaj.org/article/f0ef94d35c27429197e49133dd7b4436 http://www.ijpvmjournal.net/article.asp?issn=2008-7802;year=2022;volume=13;issue=1;spage=26;epage=26;aulast=Manouchehri https://doaj.org/toc/2008-7802 https://doaj.org/toc/2008-8213
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author2	Ali Taghipour Vahid Ghavami Fatemeh Homaei Shandiz Abbas Ebadi Robab Latifnejad Roudsari
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