BMI 24-29 - you are overweight. BMI over 30 - you can talk about obesity. For example, increase the women's body Ultra Slim 400 mass index of 1.7 meters and weighs 60 kg is: 60 / (1.7 X 1.7) = 20.7 If the body mass index of more than 20, but you still want to gain weight, so do not be offended...
