A new study suggests that a woman's risk of uterine cancer increases directly in proportion to her body mass index and that even slight weight gain may significantly raise her cancer risk. The findings, reported in the American Journal of Obstetrics & Gynecology, should rally further support behind the importance of weight management as a strategy for reducing cancer risk, the authors write. The researchers used a database representing most U.S. nonprofit academic medical centers to identify 6,905 women who underwent a hysterectomy from 2008 to 2012 and had a BMI from 25 to 39.9. They found that overweight women (BMI of 25-29.9) had a 17.5% prevalence of uterine cancer, while the malignancy rate among obese women (BMI of 30-39.9) was 29.7%. After adjusting for age and race, they found that each 1-unit increase in BMI was associated with an 11% increase in the proportion of women diagnosed with uterine cancer. Most U.S. women have a BMI within the range examined in the study. Read the article in the American Journal of Obstetrics & Gynecology.
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