calculation, norm, age, pregnancy, table

Body Mass Index (BMI) is used to assess an individual’s corpulence. It must be related to a person’s personal situation and, in itself, is of little use. Calculation in women, standard, by age, table … The point with Arnaud Cocaul, nutritionist in Paris.

What is BMI?

The BMI is the body mass index, it is used to evaluate the corpulence of an individual. “This index takes into account the corpulence, but does not take into account the fat mass of an individual. A sportswoman will have a higher than normal BMI due to her muscle mass, but will have a completely normal fat mass“explains Arnaud Cocaul, nutritionist in Paris. In these conditions, when can BMI be useful?”The BMI is useful, for example, to know if a person meets the criteria to undergo surgery for obesity, to know if a person is too thin, to check if a person has taken too quickly into corpulence … It is an indicator with which I associate, in my practice, the circumference of the waist. Yup an abdominal circumference is above the norm – 88 cm in women -, it is estimated that he has fat in his organs and in this case a weight loss could be proposed “, develops the nutritionist. Therefore, it is important to put the BMI in perspective with the individual’s personal situation.

How is BMI calculated for women?

Obviously it is the same in women as it is in men.

The BMI calculation is: the weight (expressed in kilograms) divided by the square of the height (expressed in meters)

What is the normal body mass index for women?

The body index places the individual in relation to a standard recognized by the World Health Organization (WHO).

BMI Meaning
<18.5 thinness
Between 18.5 and 25 Normal BMI
<25 Overweight / overweight
<30 Obesity

There are 3 stages of obesity:

  • 30 to 35 is phase 1
  • 35 to 40 is phase 2
  • over 40 there is talk of massive obesity

Does BMI change with age?

BMI evolves over time and tends to increase because as we age, the body gains fat mass.

How to calculate BMI for women over 60?

The calculation of the BMI is always the same, regardless of an individual’s age.

The calculation of the BMI is always the same, regardless of an individual’s age. “The body compensates for age-related loss of muscle mass with weight gain. It is normal for a 60-year-old woman to be thicker and heavier after menopause particularly“, Observes Arnaud Cocaul.

How to calculate BMI in pregnant women?

Again, it is the same calculation method. “We can calculate a pregnant woman’s initial BMI to find out if she gains too much weight during pregnancy. This can help her control her weight curve, especially if her build was too tall in early pregnancy.“, Details the nutritionist.

How to calculate BMI for athletic women?

In an athletic woman with above average muscle mass, the BMI will often be above normal, corresponding to overweight or even stage 1 obesity if she has significant muscle mass. “But again, this is completely normal. It is essential to take into account the context“, insists our expert.

Thanks to Arnaud Cocaul, nutritionist in Paris

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