Is it bad for a 11 year old 5'3 girl to weigh 145 lbs.?

They say that to find the appropriate weight for a woman, add 5 lbs to 100 for every inch over 5 ft. If your daughter is 5 ft 2 inches, she should weigh 110 lbs. 30 lbs is a lot of extra weight for an 11 year old girl, and she could be at risk for developing obesity or other health problems that are related to obesity, such as Diabetes and Heart disease. Teaching her healthy eating and excercise habits now will change her life for the better. She could also benefit from imporoved self-esteem.