Case control study was done regarding breast cancer & risk factors & odds ratio was obtained. Which of the following are causative factors ?ParameterCaseControlORAge at menarche>12171423291.04Menopause177124081.53OCP use93511051.02Smoking932140.97Family history5135021.10BMI>27.51654930.53Breastfeeding94225140.56Multiparity(2)277833661.05