Body mass index = weight (kg)/height (m) squared.
① Body mass index = 18.6 ~ 24.9, and the weight is within the normal range. Women who plan to get pregnant should control their body mass index within this range.
2 body mass index = 25 ~ 30, overweight, the body may have various sub-health reactions, women who want to have a bodybuilding figure should work harder.
③ Body mass index > 30, which belongs to mild obesity, is generally difficult to judge from the appearance. Usually, excess fat will accumulate in abdomen, thighs and other parts.
④ Body mass index > 35, belonging to moderate obesity. There is a large amount of fat accumulation around abdominal cavity, chest wall and heart, which has great influence on cardiopulmonary function, respiratory movement and blood circulation.
⑤ Body mass index > 40, which belongs to severe and extremely obese. Severe obesity often has symptoms such as fatigue, dizziness, hyperhidrosis and shortness of breath, and is prone to gallstones, atherosclerosis and diabetes. Extreme obesity can cause hypopnea syndrome, even heart failure due to chronic pulmonary heart disease.
For example, if your weight is 60kg and your height is 168cm (that is, 1.68m), then your body mass index is 60/ 1.68? Body mass index =2 1.26, and the body weight is within the normal range.