Document Detail

Impact of menstrual and reproductive factors on breast cancer risk in Tunisia: a case-control study.
MedLine Citation:
PMID:  23377925     Owner:  NLM     Status:  In-Data-Review    
This report examined the relationship between menstrual and reproductive factors and breast cancer risk. The case-control study was conducted on 400 women with histological confirmed breast cancer operated during the 2006-2009 period at Farhat Hached University Hospital, Sousse, Tunisia, and 400 cancer-free controls, aged 25-75 years. The menstrual and reproductive history was assessed using a structured questionnaire. Odds ratios (ORs), 95 % confidence intervals (CI) and a full confounding assessment, included in this analysis, were derived using logistic regression. A positive family history of breast cancer was associated with a significantly increased risk of breast cancer (OR = 5.15, 95 % CI 1.48-17.94). Significant risk reduction was found with later age at menarche (P = 0.02). There was an insignificant increase in risk with later age at menopause (≥51 years; OR = 1.87), later age at first live birth (≥26 years; OR = 1.76) and nulliparous women compared to parous women (OR = 2.35). An insignificant decrease in risk was observed with increasing parity number (≥3 delivery; OR = 0.86). A significantly reduced risk of breast cancer was found for those women whose lifetime duration of breastfeeding was 73-108 months and for those who breastfed for ≥109 months (P = 0.00). Our findings suggest that age at menarche and breastfeeding history have great effects on breast cancer risk among Tunisian women.
Awatef Msolly; Olfa Gharbi; Slim Ben Ahmed
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Publication Detail:
Type:  Journal Article     Date:  2013-02-02
Journal Detail:
Title:  Medical oncology (Northwood, London, England)     Volume:  30     ISSN:  1559-131X     ISO Abbreviation:  Med. Oncol.     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-02-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9435512     Medline TA:  Med Oncol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  480     Citation Subset:  IM    
Department of Medical Oncology, CHU Farhat Hached, 4000, Sousse, Tunisia,
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