Our expert says:
You don't provide the actual weight in kg and height in metres of the boy in question, so it is rather difficult to give you any target weights for weight loss in a 13-year-old boy. According to international tables, boys of 13 years have an average weight of about 40 kg and an average height of about 151 cm. When it comes to BMI, then any 13-year-old boy who has a BMI exceeding 21.91 is regarded as overweight and if the BMI exceeds 36.84, then the boy would be classified as obese. Because children and teenagers require nutrients for growth even when slimming, it is essential that your 13-year-old is under the care of a registered dietitian when losing weight. Visit the Association for Dietetics in SA Website at: www.adsa.org.za and click on "Find a Dietitian" to find a dietitian in your area. The dietitian will ensure that your son does not develop deficiencies that affect his growth when losing weight.
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