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孕前体型是基础 怀孕期间体重增加量达到多少为好首先需要确认怀孕之前你的体型。体质指数(Body Mass Index,简称BMI),是目前国际最常用来度量标准体型的指数,它利用身高和体重之间的比例去衡量一个人是否过瘦或过胖。
Pre-pregnancy size is the basic weight gain during pregnancy as well first of all need to confirm your body shape before pregnancy. The Body Mass Index (BMI), which is currently the most commonly used international index for measuring body size, uses the ratio between height and weight to measure whether a person is overweight or overweight.