This is considered under weight and could lead to having a poor nutritinal status and high risk of infections.Increasing your weight to an average of 22 BMI may result in increased energy levels and reduced risk.
While this is considered to be a healthy BMI status Women tend to be most comfortable with a BMI of 22
A higher BMI indicates a greater risk of several diseases including hypertension(high blood pressure), hyperlipidaemia(high blood cholesterol and other fats), diabetes mellitus(sugar diabetes) and the risk of strokes and heart attacks, cardiovascular disease, hypertension, stroke, gallbladder disease, osteoarthritis, sleep apnoea and
even some types of cancer.
This is considered obese and extreme measures should be considered to reduce weight, Visit your local doctor for advise if you have not all done so.