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BMI Calculator

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Interpreting Your BMI

BMI	Weight Category
Under 18.5	Underweight
18.5- 24.9	Normal
25 - 29.9	Overweight
30 - 34.9	Obese
35 - 39.9	Clinically Obese
40 or greater	Morbidly Obese

Body Mass Index (BMI) is a general indicator of whether or not you are maintaining a healthy weight based on the ratio of your weight to your height. It’s an imperfect scale as it doesn't account for differences in body types. For example, a 5 foot 9 inch bodybuilder who weighs 215 pounds and has a 6% body fat would be labeled obese. And there is already a new scale just for people from Southeast Asia where the ranges are lowered.

While it can be a good indicator of the healthiness of your weight if you fall within certain statistical norms that were used to develop it, it should be taken with a significant grain of salt and should not be used as a substitute for a professional evaluation of your health by a doctor.

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Center for Weight Management
20 Research Place
North Chelmsford, MA 01863

Phone: 877-LGH-WELL
Phone: 978-788-7200
TTY: 978-937-6889

Adjustable Gastric Band

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Center for Weight Management and Bariatric Surgery
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Adjustable Gastric Band

When you feel full, you are more likely to have reduced feelings of hunger and will no longer feel deprived. The result is that you are likely to eat less. Restrictive weight loss surgery works by reducing the amount of food consumed at one time. It does not, however, interfere with the normal absorption (digestion) of food.

In a restrictive weight loss procedure, the surgeon creates a smaller upper stomach pouch. The pouch, with a capacity of approximately 1/2 to 1 oz. (15 to 30 ml), connects to the rest of the stomach through an outlet known as a "stoma." When you follow the prescribed instructions, the reduced stomach capacity, along with behavioral changes, can result in consistently lower caloric intake and consistent weight loss.

What you must know:

During recovery, patients must adhere to the strict specific dietary guidelines and restrictions their bariatric surgeon prescribes. While these guidelines may vary from one surgeon to the next, it is important for each patient to follow the surgeon's guidelines. When the time comes to resume eating "regular" food, the patient must learn to adapt to a new way of eating. At each meal, they are restricted to consuming approximately 1/2 to a full cup of food before feeling uncomfortably full.

Patients who see the best results from a restrictive weight loss procedure are those who learn to eat slowly, eat less, and avoid drinking too many fluids, particularly carbonated beverages. If the patient fails to follow these guidelines, they can stretch the stomach pouch and/or the stoma outlet and defeat the purpose of the surgery. The effectiveness of a restrictive procedure is reduced by constant snacking or by drinking high-calorie, high-fat liquids. Failure to achieve the expected level of weight loss is usually the result of a patient failing to comply with the recommended dietary and behavior modifications, such as increased exercise and regular support group attendance.

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