That's not normal. Normal would be a BMI of under 25 or body fat under around 25%. She said she is US size 12, which unless she is 6 foot tall, is overweight (for comparison, a person who is 5'10" and 145 lbs (BMI 21)= size 6-8), if she is 5'5" or less, it's probably borderline obese. Example photo of 5'6" person at 185 lbs. That is 29 BMI.