What To Eat Before Glucose Test Pregnancy? Get Best Results

If you’re pregnant, you might be wondering what to eat in the days leading up to your baby’s birth. A glucose test is a frequent prenatal screening exam that determines blood sugar levels in your blood.

What to eat before glucose test pregnancy?

It is recommended to fast for 8-14 hours before a glucose test during pregnancy, but it is still important to stay hydrated. Some suggestions for a pre-test meal or snack include high-protein options such as eggs or nuts, or low-carbohydrate options such as vegetables and cheese.

In this blog post, we will discuss what to eat before a glucose test pregnancy and provide a list of recommended foods.

What To Eat Before Glucose Test Pregnancy

What Is A Glucose Test For Pregnancy?

It is a glucose utilization test, also known as a glucose tolerance test (GTT), that is used on pregnant women to determine how their bodies use up glucose, which is the body’s main source of energy.

The glucose tolerance test, often known as an oral glucose tolerance test, is used by doctors to check whether you’re at risk of developing gestational diabetes.

The major reason for this condition is that extra glucose circulates in the blood rather than being utilized during pregnancy.

High blood pressure and problems delivering due to high blood pressure are two adverse outcomes of this condition.

During the second trimester, doctors carry out two versions of this test on a pregnant lady.

The most usual test for expecting moms is the standard glucose test, which takes approximately one hour.

You are given a concentrated glucose solution to drink during the test.

The doctor will request a sample of your blood to determine how well your body absorbs glucose.

If your blood sugar levels are excessively high, you will have to complete another test.

This session generally takes three hours and is much more comprehensive.

What To Eat Before Glucose Test Pregnancy?

When you’re expecting, a glucose test is crucial since it may allow you and your doctor to determine whether anything is wrong and how to address it.

This is a common area of failure for women, and if you’re wondering what to eat before a 1-hour glucose test during pregnancy to prepare for it, keep the following in mind:

  1. Sticking to your regular eating schedule is advisable. That’s because your doctor wants to evaluate how well your body absorbs glucose in its normal state, and any modifications to your diet might influence the results.
  2. Doctors sometimes recommend that you eat a low-carbohydrate dinner before your glucose test during pregnancy. However, you must consult with your doctor to learn what is permissible to consume. Generally speaking, avoid bread, fried meals, and cereals, and eat more vegetables, eggs, and salads.
  3. If you’re looking for a quick and easy way to quickly lose weight, consider fasting ahead of the 1-hour glucose test. On the other hand, if you’re going for a three-hour glucose test during pregnancy, fasting is required for at least 8 hours beforehand.

You may also lower your chances of developing gestational diabetes by keeping an eye on what you eat throughout your pregnancy.

If you eat a healthy diet that’s rich in vegetables, fruits, and water, you should be fine.

Food You Can Eat Before A Pregnancy Glucose Screening

You should plan to eat a healthy diet as soon as you learn you’re expecting, and throughout your pregnancy, to pass the glucose test.

Changing your diet a day or a week before your glucose test won’t make much of a difference.

Choose dishes with a lot of fiber, lean proteins, and nutrient-dense fruits and vegetables when preparing your meals.

These are some of the best meals for people with diabetes. Here are some suggestions for healthy foods to add to your diet to keep blood sugar levels stable:

  • Whole grains (e.g., whole wheat bread, oatmeal, brown rice, quinoa, and whole wheat pasta) contain all of the components that bread or carbohydrates do in refined forms.
  • Non-starchy vegetables (lettuce, broccoli, tomatoes, and green beans) are high in vitamins and minerals and low in carbohydrates.
  • Peanuts and Butternut Squash are Legume-rich. Peanuts, for example, are high in fiber and protein, while butternut squash is a rich source of vitamin A and potassium.
  • Fruits (for example, berries, apples, and watermelon) Fresh fruits (such as berries, apples, and watermelon).
  • Chicken, chicken breast, and salmon are healthy proteins (i.e. eggs, chicken breast, and salmon).
  • Nuts and seed butter (i.e. walnuts, almond butter, sunflower seeds, and flaxseeds).
  • Pasteurized cheese, milk, Greek yogurt, and cottage cheese are examples of dairy products that can cause food allergies or intolerances.

On the morning of your glucose test, have a nutritious breakfast or lunch that is low in carbohydrates but high in protein.

Breakfast foods include eggs, cheese, a protein shake, bacon, and/or sausage.

A salad with a low-sugar dressing would be a fine lunch option. Alternatively, any sort of meat with vegetables is acceptable.

If you have time, take a short stroll afterward. This might help to control your blood sugar levels even further.

Don’t be drawn into skipping breakfast since it might imbalance your glucose levels!

The above-mentioned list of food will help you decide what to eat before glucose test pregnancy. Follow the list and stay healthy during pregnancy. 

Meal Ideas To Eat Before A Glucose Test For Pregnancy

Breakfast ideas:

  • Sautéed kale and onions, scrambled eggs, and sautéed greens are served on a bed of salsa. Whole wheat toast, and turkey sausage.
  • Oats are wonderful with just a little brown sugar, as in this peanut butter banana oatmeal or pumpkin pie overnight oats. Just keep an eye on how much sugar you add. Avoid adding syrups.
  • Quinoa-based breakfast sandwiches on whole wheat tortillas.
  • Shakshuka.
  • Muffins are made from egg whites that are fun to eat.
  • Boil the eggs and vegetables in advance, then combine them with a frittata made of cheese, breadcrumbs, herbs, and butter.
  • The combination of sweet potatoes and kale makes for a wonderful vegan breakfast.
  • Quiche without a crust.
  • Quinoa porridge with fruit, nuts, and seeds.
  • Crisp bacon, poached eggs, and hash browns make for a hearty breakfast.
  • A hearty, filling breakfast casserole including eggs and vegetables.
  • A Reduced-calorie protein shake or whole foods smoothie.
  • Avocado egg boats are egg-shaped and hold two or three avocado halves.

Lunch ideas:

  • Tuna on white bread or avocado tuna lettuce wraps.
  • A grilled cheese sandwich made with tomato and avocado.
  • A healthy-looking, hearty bowl including a mix of veggies, whole grains, and lean protein that’s delicious either way. This Roasted sweet potato and cauliflower power bowl or this Teriyaki chicken power bowl with spelled are two good examples.
  • Chicken salad bowl on a bed of lettuce.
  • Blueberry spinach salad with blueberry vinaigrette.
  • A grilled chicken sandwich and a side salad.
  • Avocado with grilled turkey A sandwich made of avocado and turkey.
  • Pita bread filled with vegetables and hummus.
  • Chicken wraps with buffalo sauce.

Snack ideas:

  • Serve alongside vegetables or whole-grain chips or crackers for a spread-friendly dinner.
  • String cheese.
  • Peanut butter energy bites.
  • With peanut butter, apple slices, banana, or celery.
  • A combination of wildflowers, grasses, and shrubs is known as trail mix.
  • Nuts.
  • Plain Greek yogurt is combined with fruit, granola, and vanilla extract to make this delicious parfait.

Foods to Avoid Before A Pregnancy Glucose Tester

Here’s a list of foods to avoid eating before your glucose test, in case you were wondering. Refined carbohydrates and sugars are the most important items to stay away from.

On the day of your test, eliminate the following food items:

  • Grains that have been refined (white bread, white bagels, and white rice).
  • Junk food (i.e. chips and crackers).
  • Fruit toppings (such as jam, syrup, and caramel).
  • Breakfast cereals with high sugar content.
  • Clam chowder
  • Baking and pastries (such as doughnuts, cakes, cupcakes, cookies, and muffins).
  • Ice cream cones.
  • Caramel apples.
  • Fruit juice, soda, sweet tea, sports drinks, and flavored coffee are all examples of sugary beverages.

It’s fine to have a treat here and there while you’re pregnant, but it’s crucial to eat these meals in moderation.

What If You Don’t Pass the Test?

Some women don’t pass even if they try their hardest to eat well in advance of their glucose test.

It’s also possible to receive a false positive. If the test results aren’t in the normal range, it’s possible that you won’t have accurate findings.

Your doctor may have you repeat the blood test or go a step further with the three-hour glucose test, which is referred to as a 3H GT.

Glucose Tolerance Test With a Three-Hour Time Limit

You’ll have three hours to complete the exam. You’ll be taken to a research facility for four blood draws during this test.

However, you won’t be able to eat or drink beforehand this time.

You’ll need to fast for 8-14 hours before your examination (no food or drink except sips of water).

On the day of your exam, you’ll receive a baseline glucose check to establish your fasting levels.

You’ll down the same sort of sugary drink solution as before (except it will contain 75 grams of glucose), take a blood sample at 1 hour, 2 hours, and 3 hours, and eat a ketone-rich meal (except no more than 30 grams per day).

If your glucose levels are still high after you’ve been diagnosed with gestational diabetes, you may be given a diagnosis of permanent diabetes.

Gestational Diabetes

Gestational diabetes affects between 2 and 4 percent of women, primarily during pregnancy.

Gestational diabetes develops when pregnancy hormones interfere with a woman’s body’s natural ability to metabolize food.

Some women who are not pregnant can develop gestational diabetes, but these groups are at a higher risk:

  • The average woman over the age of 25 is more likely to have suffered a stroke than that of a man.
  • Women of African, Asian, Hispanic, Native American or Pacific Island descent.

Other elements that can raise your chances of developing gestational diabetes include:

  • If you or your spouse has a family history of gestational diabetes, you should be prepared to give birth.
  • Polycystic ovary disease (PCOD).
  • The previous birth of a kid weighing 9 pounds or more.
  • Diabetes during a previous pregnancy.
  • Cardiomyopathy.
  • High blood pressure.
  • Obesity.
  • Inactivity.

Type 2 diabetes is a serious condition, but most women who receive treatment have a healthy pregnancy and delivery.

Your doctor will develop a treatment plan to ensure that you and your baby receive the very best care.

However, uncontrolled gestational diabetes can result in pregnancy and delivery complications including:

  • Preeclampsia.
  • C-section.
  • High blood pressure.
  • An overly large baby.
  • Birth defects.

The incidence of type II diabetes is extremely low in people who have never been diagnosed with gestational diabetes, but the risk increases when you do get it.

Continue to follow your doctor’s recommendations, as well as a nutritious diet and exercise plan, for the greatest results and outlook.

How To Pass Glucose Test?

Some things you can do to ensure a successful test? There are a few things you can do to help ensure a successful test.

Eight Hours Fasting

First, be sure to fast for at least eight hours before your scheduled test.

For diabetes, you should also check your blood sugar levels before the test to make sure they are within a safe range.

Drink Plenty of Water

Second, be sure to drink plenty of water leading up to the test.

This will help ensure that your body is well-hydrated and will make it easier for the technician to draw your blood.

Wear Loose Clothing

Third, wear loose clothing to your appointment.

Tight clothing can make it difficult for the technician to access your arm for the blood draw.


Being anxious or stressed can affect your blood sugar levels and may give you a false reading on the test.

What Is A 3 Hour Glucose Test?

The 3 hour glucose test is a diagnostic tool used to screen for diabetes. It is also known as the oral glucose tolerance test (OGTT).

During the test, you will be asked to drink a sugar-containing beverage. Your blood sugar levels will then be monitored over the next three hours.

What Are The Results Of A Glucose Test During Pregnancy And What Do They Mean?

The results of the test are categorized as follows:

  • Normal: A blood sugar level below 140 mg/dL (milligrams per deciliter) is considered normal.
  • Prediabetes: A blood sugar level between 140 and 199 mg/dL is considered prediabetes. This means your blood sugar levels are higher than normal but not high enough to be diagnosed with diabetes.
  • Diabetes: A blood sugar level of 200 mg/dL or above indicates diabetes.

If you have diabetes, it’s important to control your blood sugar levels during pregnancy to help reduce the risk of complications for you and your baby.

You’ll likely need to monitor your blood sugar levels more frequently and make changes to your diet and exercise.

Frequently Asked Questions

Q1: What Is A 3 Hour Glucose Test?

Ans: The 3 hour glucose test is a diagnostic tool used to screen for diabetes. During the test, you will be asked to drink a sugar-containing beverage. Your blood sugar levels will then be monitored over the next three hours.

Q2: Is it possible to eat before a glucose test during pregnancy?

Ans: It is possible to eat before a glucose test during pregnancy, but it is important to speak to your doctor beforehand to make sure that you are following the correct protocol. 

Q3: What supper to have at least one night before glucose test?

Ans: Whole grains: Complex carbohydrates such as quinoa, brown rice, oats, barley, whole grain pasta, and whole wheat bread are high in fiber and excellent sources of dietary fiber. In terms of quantity, consider starchy vegetables to be similar to these.

Q4: What are the signs of warning for gestational diabetes?

Ans: Some common symptoms of gestational diabetes include excessive thirst, frequent urination, fatigue, nausea, blurred vision, and sugar cravings. 

Q5: Is it typical to fail a one-hour glucose test?

Ans: The fact is that the one-hour test is rather simple to “succeed” in, and many individuals do! The three-hour test’s levels are considerably lower and more reasonable to achieve.


While there is no strict diet that you need to follow, there are certain foods that can help to ensure accurate results. First and foremost, it is important to make sure that you are well-hydrated before taking the test.

This means drinking plenty of water or other non-caffeinated fluids. You should also avoid sugary drinks, as these can affect your blood sugar levels. When it comes to food, complex carbohydrates are typically the best choice.

My name is Mark Joseph, and I’m on a mission to help new parents navigate the world of parenting. With over 5 years of experience as a parenting coach, I’m here to provide you with insight into all aspects of pregnancy, childbirth, and raising your newborn baby. Instagram Linkedln Facebook

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