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Body Mass Index and Cosmetic Surgery

Know your BMI before your Cosmetic Surgery Consultation

Are you deciding whether to have cosmetic surgery? If so, your BMI is one important factor you need to consider to ensure your surgery will go ahead.

At Reflect Clinic, our expert team will help you understand every part of your cosmetic surgery journey.

Many patients who come to see us at Reflect Clinic are often surprised to learn that body mass index, or BMI, is a very important consideration in optimising both their safety and the final result of their cosmetic surgery.

It is a common misconception that body contouring procedures, including liposuction and tummy tuck, are effective for weight loss. Both liposuction and tummy tuck should not be viewed as treatments for weight loss but instead should be viewed as procedures to shape and contour the body to gain a pleasing aesthetic result.

You can rest assured that Reflect Clinic takes patient safety seriously and will guide you in your journey to having your cosmetic surgery procedure.

BMI stands for Body Mass Index. It is a measure of body fat based on your height and your weight that applies to adult women and men.

Your BMI (body mass index) is related to your weight, age, time you are active each week and even your ethnicity. By understanding if you are a healthy weight (either underweight or overweight) you will be able to see if you are fit for cosmetic surgery or need to look at diet and exercise before proceeding.

In general, if you do need to reduce your BMI, it is important to do so in a healthy, sustainable way. Unfortunately, this means making lifestyle changes such as increasing your physical activity, eating a healthy, balanced diet and getting enough sleep.

If you are considering having cosmetic surgery, it is important to have a thorough consultation with our expert team.

We can discuss the benefits and risks of the procedure you would like with you and we will also be able to recommend the best course of action for you, based on your individual needs and goals.

A high BMI can significantly affect the outcome of your cosmetic surgery.

It can impact the ability to achieve your desired results, which can be disappointing for patients who have invested time, effort and money into their procedure.

A high BMI can lead to poor scarring, skin texture and contour changes and a decrease in overall aesthetic appearance post-surgery.

Maintaining a healthy BMI can reduce the risks associated with cosmetic surgery, improve recovery time and ensure that you achieve your desired cosmetic result.

Your BMI is calculated by dividing your weight in kilograms by your height in metres squared. Check your BMI via the official NHS BMI calculator at the bottom of this page.

At Reflect Clinic, you need a BMI score of less than 30 to have surgery.

The BMI ranges are as follows:

  • Underweight: less than 18.5
  • Normal weight: 18.5 to 24.9
  • Overweight: 25 to 29.9
  • Obesity class 1: 30 to 34.9
  • Obesity class 2: 35 to 39.9
  • Obesity class 3: 40 or higher


It’s important to keep in mind that BMI is just one factor to consider when assessing overall health.

BMI is an important indicator of general health status, as it can help identify individuals who may be at risk for obesity-related conditions such as heart disease, diabetes, and certain cancers.

The importance of BMI for cosmetic surgery cannot be overstated. A high BMI can increase the risks associated with surgery, including sleep apnea and difficulty administering anaesthesia and medications intravenously.

Additionally, higher BMIs can lead to longer recovery times and a higher risk of surgical complications such as infection, wound breakdown, delayed wound healing, and fluid collection.

Calculate your BMI (Body Mass Index)

Use the NHS BMI Calculator below to calculate your BMI and see if you qualify to be assessed for cosmetic surgery

BMI of Under 30? Book your Consultation

If the results of your BMI index show a score of under 30 then you will be able to be considered for cosmetic surgery. You will be able to fill in some details using the contact form below. You’ll need to give us some basic contact details and let us know the cosmetic surgery procedure that you’re interested in.

After we receive your contact form, our Clinic Manager Jayne will call you and run through your options.

After this conversation you can look to book a date for your consultation and meet with one of our cosmetic surgeons. During this conversation our friendly surgeons will spend time explaining the procedure, assess your compatibility and discuss costs and the process and locations involved with the cosmetic procedure that you’re hoping to undertake.

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