BMI For Gastric Bypass: Key Qualifications for the Surgery

BMI For Gastric Bypass 2023

Gastric bypass surgery is highly effective for weight loss, but you need to meet the BMI criteria. Your BMI, based on your height and weight, determines your eligibility for gastric bypass and other bariatric surgeries.

Suppose you’re curious about the weight requirements for gastric bypass surgery or gastric sleeve. 

What is Gastric bypass surgery?

Gastric bypass surgery shrinks your stomach, helping you feel full faster and longer. It also redirects food to the middle of your small intestine, bypassing parts of your stomach and upper intestine, slowing calorie absorption, and aiding weight loss.

How Overweight to Get Gastric Bypass?

Turkey Gastric Bypass surgery can treat severe obesity, typically when the BMI reaches 40 or more. To qualify, you should be at least 100 pounds over your ideal weight and have a BMI of 40 or higher. If you have health issues like diabetes or high blood pressure due to excess weight, you might still be eligible if you’re close to that weight.

Required BMI for gastric bypass

The BMI for gastric bypass surgery typically needs to be 40 or higher or 35 or higher with obesity-related health issues.

8 benefits to consider having bariatric surgery?

8 benefits to consider having bariatric surgery jj

Here are some key benefits patients often experience after bariatric surgery:

  1. Type 2 diabetes control improves after surgery, often before weight loss.
  2. Bariatric surgery reduces heart attack risk by up to 50% within five years.
  3. It lowers blood pressure and cholesterol and boosts good cholesterol levels.
  4. Sleep apnea symptoms can decrease or disappear post-surgery.
  5. Metabolic syndrome management is enhanced with bariatric surgery.
  6. Weight loss surgery helps alleviate depression and anxiety.
  7. Joint pain, like knee arthritis, often improves after surgery.
  8. Bariatric surgery may enhance fertility in women with PCOS.

Read Also: Mini Bypass Bariatric Surgery

What are the requirements for gastric bypass surgery?

The requirements for gastric bypass surgery typically include:

  • Having a BMI of 40 or higher or a BMI of 35 or higher with obesity-related health issues.
  • Being at least 100 pounds over your ideal body weight.
  • Demonstrating previous attempts at weight loss through diet and exercise.
  • Being psychologically prepared for the surgery and committed to long-term lifestyle changes.
  • Undergoing a thorough medical evaluation to ensure you’re a suitable candidate for the procedure.

Read Also: Gastric Bypass Surgery Price

Bariatric procedures in Turkey at Best Prices

Our packages cover medical fees, hospital stays, airport transfers, and personal host services for a seamless experience

What is the recovery time following weight loss surgery?

What is the recovery time following weight loss surgery k

Most patients return to work within three to five weeks after weight loss surgery, but it varies. Recovery may take longer after major abdominal surgery. Factors affecting recovery include:

  • Type of weight loss surgery: Gastric banding and bypass may require longer healing and carry more risks than Sleeve Gastrectomy Turkey or duodenal switch.
  • Patient’s age: Older patients generally recover more slowly and may need extra time.
  • Patient’s health: While weight loss surgery can help manage conditions like diabetes and high blood pressure, pre-existing health issues like heart disease may extend recovery time. Discuss with your doctor before surgery.

Read Also: Gastric Sleeve vs. Bypass

Is there support from surgeons and staff following weight loss surgery?

After weight loss surgery, surgeons and staff offer significant support to help you deal with both physical and psychological challenges.

Their support can aid your recovery by addressing your questions and concerns about the surgery and its aftercare. They’ll also assist you through any difficulties and reassure you that feeling anxious or uncomfortable is normal.

A good surgeon guides you through weight loss challenges, answering questions, providing encouragement, and helping you stay focused on your goals.

It’s crucial to find a surgeon who genuinely cares about your well-being and is committed to helping you achieve your goals, not just performing surgery for profit.

How much weight loss can be expected?

The weight you lose after surgery depends on many factors, including your age, height, and lifestyle. For example, if you’re older and less active, your body will need longer to adjust to the dietary changes required by bariatric surgery.

A typical gastric bypass patient loses 30% to 40% of excess body weight, 1 to 2 pounds weekly. 

Is it possible to gain the weight back after surgery?

Is it possible to gain the weight back after surgery pp

Weight regain after surgery is rare but possible, particularly if your surgeon uses non-standard techniques. For example, with a Roux-en-Y gastric bypass and an adjustable band, weight regain may occur due to necessary band adjustments, leading to more surgeries.

Post-surgery, fluid retention is common as your body adjusts to organ size changes, causing swelling and bloating. This may result in new skin folds in areas like the neck, breasts, or arms. While uncomfortable, these issues usually resolve as your body adapts to its new size.

Read Also: Gastric Botox: A Revolutionary Weight Loss Solution

Can bariatric surgery be reversed?

To undo a gastric bypass, surgeons remove the staples holding the stomach pouch and reconnect the small intestine to its original spot. Similarly, reversing a gastric sleeve involves reconnecting the small intestine below its shortened section.

While laparoscopic procedures may be reversed with another laparoscopic surgery, reversing open surgeries is more complicated and carries risks like scar tissue and infection.

At HayatMed Clinic Turkey, we have skilled Plastic Surgeons and advanced medical facilities for such procedures.

Read Also: Cost of Gastric Balloon

Will insurance cover bariatric surgery?

Eligibility for bariatric surgery varies by state, with each state having its regulations. Generally, you need a BMI of 40 or higher, be at least 100 pounds overweight, and have tried other weight loss methods unsuccessfully.

Some states mandate being obese for two years before surgery and trying other treatments like diet and exercise for at least six months.

Read Also: Gastric Balloon In Turkey: What are The Types and Price

Bariatric procedures in Turkey at Best Prices

Our packages cover medical fees, hospital stays, airport transfers, and personal host services for a seamless experience

What do I need to know about pregnancy after gastric bypass surgery?

What do I need to know about pregnancy after gastric bypass surgery f

Pregnancy after gastric bypass surgery might seem daunting if you’re unsure about what to expect or how to prepare. The good news is that many women with gastric bypass surgery can have healthy pregnancies with few issues. However, you’ll need extra care and regular checkups with your doctor throughout.

Here are some key points to remember:

  1. Doctors advise waiting at least 12 months post-surgery before trying to conceive. This allows the body to recover fully.
  2. If you couldn’t shed enough weight before surgery and your body mass index BMI is still over 30, your doctor may suggest further weight loss before pregnancy. 

They’ll also address any other health conditions linked to excess weight, like high blood pressure or diabetes, to ensure a safe pregnancy.

Diet after your gastric bypass surgery

The post-surgery diet is not different from the Gastric Sleeve Diet. It’s divided into stages:

Stage 1: Liquid diet

requirements for gastric bypass surgery 2024

You can start drinking liquids once you wake up. The doctor will specify which liquids are okay.

Fluids will be given through a tube in your nose or mouth, connected to a small bag called an IV. This tube prevents dehydration, which can occur when there’s no food in your stomach to absorb water from the intestines.

You might receive an enema to clean your intestine before removing the feeding tube, reducing post-surgery nausea and vomiting.

HayatMed Clinic, located in Istanbul/Turkey, is highly experienced in performing plastic surgery. Based on patients’ evaluations, we offer satisfactory results at an affordable cost. We offer a free consultation on WhatsApp.

Stage 2: Puréed diet

After 24 hours, most people can eat puréed foods that are finely chopped or mashed, making them easy to swallow without chewing.

Examples include applesauce, mashed potatoes, and creamed soups. Soft oatmeal, yogurt, and cottage cheese with fruit can also be consumed, but be cautious of excessive fiber to avoid gas.

Stage 3: Soft foods diet

For the initial three weeks after surgery, stick to soft foods. Afterward, milk, yogurt, eggs, egg whites, cottage cheese, cooked vegetables and fruits, and liquids like broth or jello are allowed. Avoid fried foods, meats, or sweets.

Stage 4: Stabilization

After three weeks, your doctor will assess your ability to handle solid foods and determine if further weight loss is necessary before returning to work.

If all looks well, you’ll be cleared to resume normal meals gradually but in small portions with plenty of liquid in between.

However, even with clearance, don’t expect to return to your usual diet immediately; it may take months to adjust.


The decision to have bariatric surgery is a serious one that should not be taken lightly. It has long-term effects on your body and will likely impact your psychological and physical health.

Therefore, before stepping into the operating room, it’s best to understand your options and research all the benefits and drawbacks to make an educated decision. After all, that is a big deal, and you want to feel comfortable with your choice. 

requirements for a gastric bypass FAQs

Qualifying criteria for gastric bypass surgery typically include having a body mass index (BMI) of 40 or higher or a BMI of 35 or higher with obesity-related health issues such as diabetes or high blood pressure.

The amount of weight required to be lost before qualifying for gastric bypass surgery varies depending on individual circumstances and the recommendations of the healthcare provider. Some weight loss may be required to reduce surgical risks and improve outcomes.

Certain medical conditions may disqualify individuals from gastric bypass surgery, such as uncontrolled psychiatric disorders, active substance abuse, or untreated medical conditions that could increase surgical risks.

Prior to undergoing gastric bypass surgery, patients are often required to commit to lifestyle changes such as adopting a healthy diet, exercising regularly, and attending follow-up appointments with healthcare providers to monitor progress and ensure long-term success.

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This article was Medically reviewed by Dr. Hakan Evrüke

About the author

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Binsy George

Binsy brings over 13 years of expertise to the HayatMed Clinic Blog. With a passion for healthcare communication, she has crafted insightful articles that demystify complex medical topics, empowering readers to make informed decisions about their well-being.
Her wealth of experience ensures that each blog post is a reliable source of knowledge, fostering a deeper understanding of health and medical advancements.

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