<prompt> Risk of endometrial cancer is least in:A positive family historyObesityLate menopauseMultigravida  <response>: Risk factors for endometrial cancer:- 1 Late menopause 2 Nulliparity 3 Unopposed estrogen therapy 4 Obesity, diabetes, hypeension 5 History of persistent anovulation PCOS 6 History of irregular excessive premenopausal bleeding 7 Atypical endometrial hyperplasia 8 Tamoxifen therapy 9 Radiation menopause. 