what are the causes of cancer of the uterus?
['Age. ... ', 'Oestrogen levels after the menopause. ... ', 'Being overweight or obese. ... ', 'Reproductive history. ... ', 'Tamoxifen. ... ', 'High levels of insulin. ... ', 'Polycystic ovary syndrome (PCOS) ... ', 'Endometrial hyperplasia.']