Effects of Menstrual and Reproductive Factors on the Risk of Breast Cancer: Meta-analysis of the Case-Control Studies in Japan

17 Oct 1995Chisato Nagata, Yao-Hua Hu, Hiroyuki Shimizu

analysis provided quantitative estimates of breast cancer risk among Japanese women with improved precision.

Meta Analysis

3 effects

Determinants	Outcome	Details
Early Menarche Reproductive system	Increased risk of Breast Cancer Reproductive system	High evidence 32.0%
Protective Factor Young maternal age Selfcare	Decreased risk of Breast Cancer Reproductive system	High evidence -56.0%
Protective Factor Multiparity Selfcare	Decreased risk of Breast Cancer Reproductive system	High evidence -32.0%