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Doctor insights on: Child Bmi Algorithm

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3 yr well child check up. 30.6lbs 38 1/4 inches. Bmi 14.7. Birth size 6lbs 12 oz. 21 inches.

3 yr well child check up. 30.6lbs 38 1/4 inches. Bmi 14.7. Birth size 6lbs 12 oz. 21 inches.

Your question is?: You offer a string of data but ask no question. Please resubmit. Remember that questions are not linked on the site & all must contain the basic info & a question. ...Read more

Dr. Cornelius O'leary jr
543 doctors shared insights

Body Mass Index (Definition)

Body mass index (BMI) is a measurement based on a person's height and weight, to decide if a person is too heavy or too light for his height. The index is a number that can be in the underweight range, normal range, overweight range, or obese range. Children use different number ranges than adults do, ...Read more


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3 yr well child check up. 30.6lbs 38 1/4 inches. Bmi 14.7. Birth size 6lbs 12 oz. 21 inches. He is smaller than kids younger than him. Is that normal?

3 yr well child check up. 30.6lbs 38 1/4 inches. Bmi 14.7. Birth size 6lbs 12 oz. 21 inches. He is smaller than kids younger than him. Is that normal?

Normal range: From your listed points, the child was at the 21% for weight at birth and 36% at 3y. His length was at the 90% (hard to get good measures then) at birth & is 72% at 3 years. These are well within the normal range for growth in kids. He is a bit leaner & taller than his age equivalent peers. ...Read more

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What is bmi?

What is bmi?

Body Mass Index: Bmibody mass index bmi is used to find out if a person is underweight, normal weight, overweight, or obese. ...Read more

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What is BMI?

Weight:height.: The BMI is simply your weight with respect to your height - an overly simplistic and thereby essentially flawed assessment of your health. It's a bit better when used in combination with body fat measurement. That being said, a high BMI might be associated with diabetes and heart disease amongst other health conditions. ...Read more

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19.2 BMI okay?

Yes: Its a good bmi- but i wouldn't want you to be much thinner than that. ...Read more

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What is my bmi?

What is my bmi?

Body mass index: Body mass index is a calculated number using the following formula: (703 x weight in lbs.) divided by height in inches squared. Ideal bmi is between 18.5 and 25.0. Overweight is a bmi between 25.0-29.9, obese is a bmi of 30.0 or greater. ...Read more

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What is optimal bmi?

Overweight / obesity: Optimal bmi is 20-25 kg/m2. Overweight is 25-30, obese is more than 30. However, this is a guide, and individuals may vary. Bmi is just weight/height, so someone (usually a male) who is stocky and muscular can have a high bmi yet be very lean. ...Read more

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What exactly is bmi?

What exactly is bmi?

Weight:height.: The BMI is simply your weight with respect to your height - an overly simplistic and thereby essentially flawed assessment of your health. It's a bit better when used in combination with body fat measurement. That being said, a high BMI might be associated with diabetes and heart disease amongst other health conditions. ...Read more

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Bmi (Definition)

Bmi or body mass index is how we define if a person is under or overweight. It is calculated my taking your height in meters and dividing it by your weight in kilograms squared. Or using a bmi calculator. A normal weight is a bmi between 18-25. Obese is a ...Read more