In males, a BMI of around 13 appears to be fatal. The coefficient of variation (CV) of the BMI is 8.7%. In contrast, females survive to a lower BMI of around 11, although with greater index variability (CV 14%). Several females had BMI’s as low as 9 and 10.
What is the lowest BMI you can have?
Your body mass index, or BMI, is the relationship between your weight and your height. A BMI of 20-25 is ideal; 25-30 is overweight and over 30 is obese. If your BMI is under 18.5, you’re considered underweight. If your BMI is 18.5-20, you’re a bit underweight and can’t afford to lose more.
What is a severely underweight BMI?
Severely underweight – BMI less than 16.5kg/m^2. Underweight – BMI under 18.5 kg/m^2. Normal weight – BMI greater than or equal to 18.5 to 24.9 kg/m^2. Overweight – BMI greater than or equal to 25 to 29.9 kg/m^2. Obesity – BMI greater than or equal to 30 kg/m^2.
Is BMI 15 fatal?
There are also different tiers of anorexia based on BMI ranging from mild (<17.5), moderate (16-16.99), and severe (15-15.99), to extreme (<15). A BMI below 13.5 can lead to organ failure, while a BMI below 12 can be life threatening.
Is a BMI of 17.5 too low?
The American Dietetic Association (ADA) defines the ideal body mass index (BMI) as between 20 and 25. Thus, anyone below that range would be considered underweight and those with a BMI from 18.5 to 17.5 extremely underweight.
At what BMI do anorexics get hospitalized?
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Admission criteria require that patients be less than 70 percent of their ideal body weight, or have a body mass index (BMI) below 15. In a woman who is 5 feet 4 inches tall, that’s about 85 pounds.
At what BMI do you get hospitalized?
BMI < 13 is an indicatior for certification under the Mental Health Act if the patient refuses admission although BMI < 13 alone is not enough for admission.
What BMI is most attractive?
These studies have found that a low waist to hip ratio (WHR) of approximately 0.7  and a low Body Mass Index (BMI; weight scaled for height) of approximately 18–19 kg/m2  are perceived as most attractive in female bodies, while a low waist to chest ratio (WCR) of approximately 0.7, and relatively high BMI ( …
What weight is too skinny?
For adults, a BMI under 18.5 is considered dangerously thin, 18.5-25 is the healthy weight range, 25-30 is overweight, and 30 or over is obese.
What happens if your BMI is too low?
Weighing too little can contribute to a weakened immune system, fragile bones and feeling tired. You can check if you’re underweight by using our BMI healthy weight calculator, which shows your body mass index (BMI). If your BMI is below 18.5, this suggests that your weight may be too low.
Is 15 a good BMI?
A BMI between 25 to 29.9 is considered overweight. Anything over 30 is considered obese. Normal BMI is between 18.5 and 24.9.
What BMI do you see anorexic?
Above that you are overweight and below that you are underweight. Adults with anorexia have a BMI below 17.5.
What is dangerously underweight?
Underweight: less than 18.5. Normal/healthy weight: 18.5 to 24.9. Overweight: 25.0 to 29.9. Obese: 30 or higher.
How much should a 13 year old weigh?
How Much Should My 13-Year-Old Weigh? The average weight for a 13-year-old boy is between 75 and 145 pounds, while the average weight for a 13-year-old girl is between 76 and 148 pounds. For boys, the 50th percentile of weight is 100 pounds. For girls, the 50th percentile is 101 pounds.
What percent of anorexics are underweight?
Less than 6% of people with eating disorders are medically diagnosed as “underweight.” Larger body size is both a risk factor for developing an eating disorder and a common outcome for people who struggle with bulimia and binge eating disorder.
What should a 10 year olds BMI?
For example, a 10-year-old boy of average height (56 inches) who weighs 102 pounds would have a BMI of 22.9 kg/m2.