title: Bone Mineral Density and Breast Cancer Risk Factors among Premenopausal and Postmenopausal Women A Systematic Review.
abstract: BACKGROUND
  Bone mineral density (BMD) is a lifetime marker of estrogen in a woman's body and has been associated with increased breast cancer risk. Nonetheless the actual association is still debatable. Furthermore, estrogen is very crucial in maintaining human bone density and gradually decreases over age. A systematic search was conducted to assess any association of BMD with breast cancer risk factors among premenopausal and postmenopausal women.
  
  
  METHODS
  Review identification was performed through databases searching on MEDLINE, CINAHL and SCOPUS and 19 qualified studies were elected. The keywords used were "bone mineral density", "breast cancer", and "breast density".
  
  
  RESULTS
  A total of 19 articles showed variation with the majority of the studies focused on postmenopausal and a few focused on premenopausal women. Overall there was no concensus on effects.
  
  
  CONCLUSIONS
  An enormous effort is being undertaken by researchers to prove that BMD might be one of the significant risk factors for breast cancer.
authors: Faculty of Health Sciences, University Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, Malaysia Email : kanaga@ ukm.edu.my.
authors: Norhayati Mohd
authors: NM
authors: Zain
authors: Vengkatha Priya
authors: VP
authors: Seriramulu
authors: Kanaga Kumari
authors: KK
authors: Chelliah
mesh_terms: D015519:Bone Density; D001943:Breast Neoplasms / Q000209:etiology* / Q000473:pathology; D005260:Female; D006801:Humans; D015663:Osteoporosis, Postmenopausal / Q000150:complications*; D017698:Postmenopause; D017697:Premenopause; D011379:Prognosis