Almost half of women with endometrial cancer or hyperplasia do not know that obesity affects their cancer risk

•A group of low income, largely Hispanic women demonstrated poor knowledge of the adverse reproductive effects of obesity.•53.5% of endometrial cancer/hyperplasia patients identified obesity as a risk factor for endometrial cancer.•32% of control patients identified obesity as a risk factor for endometrial cancer.•Physician discussion of overweight/obese diagnosis was predictive of this knowledge.

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