Fig. 5From: Breast cancer risk factors in Iranian women: a systematic review and meta-analysis of matched case–control studiesThe association between breast cancer and different risk factors. A: Age at menarche (< 14 vs ≥ 14); B: age at menopause (< 49 vs ≥ 49); C: menopausal status (yes vs no); D: family history of breast cancer (yes vs no); E: family history of cancer (yes vs no); F: history of radiation exposure (yes vs no)Back to article page