The first is to calculate your body mass index, or BMI.

首先是计算你的身体质量指数，或体重。

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Obesity is commonly measured by body mass index, or BMI.

肥胖通常使用体重指数（BMI指数）来衡量。

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BMI: The body mass index or BMI is also critical in women.

体重指数：体重指数(BMI)对于女性也是关键的。

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Body mass index,or BMI, is a measure of a person's weight in relation to height.

VOA: special.2011.02.15

While there is advice aplenty on how to lose pounds or kilograms, a new study focuses on middle aged and older women who maintain normal body weight, or BMI (Body Mass Index) and do not diet.

VOA: standard.2010.03.30

This is known as a high body mass index, or BMI.

FORBES: Magazine Article

The authors of the study in Health Affairs conclude that existing sales taxes may be "too low to cause changes in calorie consumption" affecting the average body mass index, or BMI.

WSJ: Michael Marlow: The Skinny on Anti-Obesity Soda Laws

"The investigators examined changes in sugar-sweetened beverage consumption and then its association with change in body fatness or BMI (body mass index), and subsequent deaths from cardiovascular disease, diabetes and cancer, " says Rachel Johnson, professor of nutrition at the University of Vermont in Burlington and chair of the American Heart Assocation's Nutrition Committee, who was not involved in the study.

CNN: Sugary drinks linked to 180,000 deaths worldwide