通过两种方法检测体脂：身高体重指数(BMI)，这是一个体重和身高的比例，以及身体脂肪比。
Body fat was assessed in two ways: body mass index (BMI), which is a ratio of weight to height, and body fat percentage.
目的探讨脐血瘦素与新生儿出生体重、体脂指数以及与孕母体重、体脂指数的关系。
Objective To discuss the relationship between umbilical leptin and neonate body weight, lipid index, mother body weight and her lipid index.
骨强度与骨密度、下肢最大肌力呈非常显著性正相关，与体重、体脂、体重指数呈非常显著性负相关。
The bone strength was strongly optively correlated with bone mineral density and limber maximum muscle strength , was strongly negatively correlated with weight, body fat and BMI.
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