The relationship between breastfeeding and breast cancer
Publish place: 14th International Congress on Breast Cancer
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICBCMED14_025
تاریخ نمایه سازی: 21 مرداد 1398
Abstract:
Introduction and aim: Several factors are associated with breast cancer, including breast-feeding and the duration of breast-fed. In this study association between breastfeeding and breast cancer risk is investigated. Methods: In this case-control study , each group included 191 women , we studied different factors related to breast cancer, including breast-feeding duration, age at first breast feeding, breastfeeding times, age of menarche, age of menopause, the number of live births and dead birth, the number of abortions , occupation, education, family history of cancer and history of drug addiction . Data were collected and analyzed by SPSS version 16. Results:Duration of breastfeeding had a marginal relationship with breast cancer (P-value = 0.048), have a high age at menarche was observed as a Protective factor for breast cancer (P-value = 0.001), mean age of menarche in two groups respectively 12.45 and 12.91. Education was higher in the control group (P-value = 0.001) such that the percentage of people with education higher than primary was 55.5% and 83.5% respectively in the case and control groups. Less parity (P-value = 0.005), high number of abortions (P-value = 0.001), addiction (P-value = 0.015) family history of cancer (P-value = 0.001) were risk factors for breast cancer. Conclusion: Longer breastfeeding is a protective factor in breast cancer. In addition, parity, high age at menarche, higher education, lack of addiction and a family history of cancer are also factors that reduce the risk of breast cancer.
Authors
Mehdi Asadi
Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
Soodabeh Shahidsales
Cancer Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
Masoumeh Nouri
Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
Mina Khani
Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran