{"id":56514,"date":"2023-01-15T19:44:05","date_gmt":"2023-01-16T00:44:05","guid":{"rendered":"https:\/\/www.singlecare.com\/blog\/?p=56514"},"modified":"2026-03-15T21:02:08","modified_gmt":"2026-03-16T01:02:08","slug":"blood-sugar-chart","status":"publish","type":"post","link":"https:\/\/www.singlecare.com\/blog\/blood-sugar-chart\/","title":{"rendered":"Blood sugar charts by age, risk, and test type"},"content":{"rendered":"<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/bNFTH79eV8A?rel=0\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><span style=\"font-weight: 400;\">Blood sugar, also known as blood glucose, is the main sugar in your blood. It comes from foods you eat, and the blood carries glucose to your body&#8217;s cells, where it is used for energy. People with diabetes have higher-than-normal blood glucose levels, or hyperglycemia. Over time, high blood sugar can cause complications like heart disease, stroke, kidney disease, eye problems, nerve damage, and other health problems. If you have diabetes, your healthcare provider will give you more information on keeping your blood sugar within a target range. These blood sugar level charts can help you determine what\u2019s normal and when you should consult your healthcare provider.<\/span><\/p>\n<h2 id=\"blood-sugar-level-charts\"><span style=\"font-weight: 400;\">Blood sugar level charts<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Blood sugar levels naturally fluctuate throughout the day due to factors such as food intake, stress, medication, exercise, and more.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cGlucose management will always be a journey, never a destination,\u201d says <\/span><a href=\"https:\/\/www.linkedin.com\/in\/stephen-ponder-10574328\/\"><span style=\"font-weight: 400;\">Stephen Ponder<\/span><\/a><span style=\"font-weight: 400;\">, MD, a pediatric endocrinologist at McLane Children\u2019s Hospital in Temple, Texas, and author of the popular book <\/span><i><span style=\"font-weight: 400;\">Sugar Surfing<\/span><\/i><span style=\"font-weight: 400;\">. Dr. Ponder recommends that patients consider blood sugar levels as continuous trending patterns rather than singular numbers. He explains that blood sugar is a dynamic variable that shifts over time and that it is easier to manage blood sugar once a blood sugar trend pattern is recognized.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Monitoring your blood sugar can give you great insight into how it fluctuates throughout the day and in response to food, exercise, and other factors.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The charts below provide general numbers and ranges. Your healthcare provider will give you a target range, which may be slightly different than the numbers in the charts below. As Dr. Ponder notes, diagnostic standards and ranges are based on venipuncture blood samples, not a blood glucose meter or sensors. <\/span><\/p>\n<table class=\" singlecare-table\" role=\"table\">\n<thead>\n<tr>\n<th class=\"title\" role=\"columnheader\" colspan=\"5\" scope=\"col\">\n<h2 id=\"normal-blood-sugar-levels-by-age\"><span style=\"font-weight: 400;\">Normal blood sugar levels by age<\/span><\/h2>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"header-row\">\n<td><\/td>\n<td><b>Under 6 years<\/b><\/td>\n<td><b>6\u201312 years<\/b><\/td>\n<td><b>13\u201319 years<\/b><\/td>\n<td><b>20 years and older<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Fasting with diabetes<\/b><\/td>\n<td><span style=\"font-weight: 400;\">80\u2013180 mg\/dl (milligrams per deciliter)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">80\u2013180 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">70\u2013150 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">80\u2013130 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Fasting without diabetes<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Less than 100 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 100 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 100 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 100 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>1\u20132 hours after eating with diabetes<\/b><\/td>\n<td><span style=\"font-weight: 400;\">~180 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">140 mg\/dl or less<\/span><\/td>\n<td><span style=\"font-weight: 400;\">140 mg\/dl or less<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 180 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>1\u20132 hours after eating without diabetes<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Less than 120 to 140 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 120 to 140 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 120 to 140 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 120 to 140 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Bedtime with diabetes<\/b><\/td>\n<td><span style=\"font-weight: 400;\">110\u2013200 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100\u2013180 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">90\u2013150 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100\u2013140 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Bedtime without diabetes<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Less than 100 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 100 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 100 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 100 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>A1C with diabetes<\/b><\/td>\n<td><span style=\"font-weight: 400;\">&lt;6.5 to 8% depending on the patient<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;6.5 to 8% depending on the patient<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;6.5 to 8% depending on the patient<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;7 to 8%\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">depending on the patient<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>A1C without diabetes<\/b><\/td>\n<td><span style=\"font-weight: 400;\">&lt;5.7%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;5.7%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;5.7%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;5.7%<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/www.singlecare.com\/blog\/wp-content\/uploads\/2023\/01\/blood-sugar-levels-chart-by-age.jpg\"><span style=\"font-weight: 400;\">Download this normal blood sugar levels chart by age here.<\/span><\/a><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/normal-blood-glucose-levels\/\"><b>Learn more about normal blood sugar levels<\/b><\/a><\/p>\n<h2 id=\"normal-blood-sugar-levels-for-older-adults\"><span style=\"font-weight: 400;\">Normal blood sugar levels for older adults<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Blood glucose levels <\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0168822722007434\"><span style=\"font-weight: 400;\">tend to increase with age<\/span><\/a><span style=\"font-weight: 400;\">, especially in older adults who take medications such as glucocorticoids, certain heart drugs, and thiazides (<\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/diuretics\"><span style=\"font-weight: 400;\">diuretics<\/span><\/a><span style=\"font-weight: 400;\">), <\/span><a href=\"https:\/\/www.healthinaging.org\/a-z-topic\/diabetes\/care-treatment\"><span style=\"font-weight: 400;\">which affect blood sugar<\/span><\/a><span style=\"font-weight: 400;\">. For that reason, a normal blood sugar for adults 50 to 60 years old may be higher than it would be for adults in their 30s or 40s, for example. Only a healthcare provider familiar with your health history and other medications you\u2019re currently taking can advise on what\u2019s considered normal for you.<\/span><\/p>\n<table class=\" singlecare-table\" role=\"table\">\n<thead>\n<tr>\n<th colspan=\"3\">\n<h2 id=\"normal-blood-sugar-levels-during-pregnancy\"><span style=\"font-weight: 400;\">Normal blood sugar levels during pregnancy<\/span><\/h2>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"header-row\">\n<td><b>\u00a0<\/b><\/td>\n<td><b>Level<\/b><\/td>\n<td><b>Blood sugar in mg\/dl<\/b><\/td>\n<\/tr>\n<tr>\n<td><strong>Oral glucose tolerance test results<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">2-hour specimen draw<\/span><\/td>\n<td><span style=\"font-weight: 400;\">If both the fasting blood glucose (<\/span><span style=\"font-weight: 400;\">\u2265 126 mg\/dl) and 2-hour glucose (\u2265200 mg\/dl) are abnormal, a diagnosis of diabetes is typically made. If one value is abnormal, the test will be repeated, or a 3-hour test may be performed.<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\"><strong>Three-hour glucose tolerance test results<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Fasting<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;95 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1-hour specimen draw<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;180 mg\/dl (Levels may vary depending on the amount of glucose consumed.)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">2-hour specimen draw<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;155 mg\/dl (Levels may vary depending on the amount of glucose consumed.)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">3-hour specimen draw<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;140 mg\/dl (Levels may vary depending on the amount of glucose consumed.)<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\"><strong>Target for pregnant women without diabetes<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Fasting<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Less than 100 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A1C<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;5.7% (However, A1C levels may fall during normal pregnancy, so this is used as a secondary measurement after blood sugar measurements.)<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\"><strong>Preexisting diabetes target levels<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Fasting<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;95 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1 hour after meals<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;140 mg\/dl\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">2 hours after meals<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;120 mg\/dl\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A1C<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;6 or 7% based on hypoglycemia risk<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\"><strong>Gestational diabetes target levels<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Fasting<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;95 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">1 hour after meals<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;140 mg\/dl\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">2 hours after meals<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;120 mg\/dl\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">A1C<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;6 or 7% based on hypoglycemia risk<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/www.singlecare.com\/blog\/wp-content\/uploads\/2023\/01\/gestational-diabetes-levels-chart.png\">Download this normal blood sugar levels during pregnancy chart here.<\/a><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/gestational-diabetes-diet-treatments\/\"><b>Learn more about gestational diabetes<\/b><\/a><\/p>\n<table class=\" singlecare-table\" role=\"table\">\n<thead>\n<tr>\n<th class=\"title\" role=\"columnheader\" scope=\"col\">\n<h2 id=\"what-do-my-fasting-blood-sugar-levels-mean\"><span class=\"title\">What do my fasting blood sugar levels mean?<\/span><\/h2>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"header-row\">\n<td><b>Demographic<\/b><\/td>\n<td><b>Risk<\/b><\/td>\n<td><b>Fasting blood sugar in mg\/dl<\/b><\/td>\n<td><b>Action needed<\/b><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"5\"><strong>Adults with diabetes<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Dangerously high<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A dangerously high number will vary, depending on your target ranges and diabetes care plan. Your healthcare provider will give you more information.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Check <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/what-are-ketones\/\"><span style=\"font-weight: 400;\">ketones<\/span><\/a><span style=\"font-weight: 400;\"> if required, as diabetic ketoacidosis (excess acid in the blood) can occur. Seek emergency medical care as outlined in your treatment plan.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">High<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&gt;130 mg\/dl, or possibly higher, depending on your target range\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Follow the treatment plan provided by your healthcare provider.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Normal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">70-130 mg\/dl depending on your target range<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Follow the treatment plan provided by your healthcare provider.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Low<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;70 mg\/dl depending on your target range<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Follow the treatment plan provided by your healthcare provider.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Dangerously low<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;54 mg\/dl but may vary depending on your range<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A dangerously low blood sugar can be life-threatening. Emergency intervention with glucagon and emergency medical care may be required depending on the patient\u2019s status. Patients who are able to eat should consume fast-acting carbs as detailed in their treatment plan.<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><strong>Adults without diabetes<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">High<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A fasting blood sugar of 100\u2013125 mg\/dl is considered high and in the prediabetes range.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A fasting blood sugar of 126 mg\/dl or more is considered high and in the diabetes range.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Consult your healthcare provider. Adults with prediabetes may be able to lower blood sugar with lifestyle changes such as a healthy diet and exercise (and possibly medication). Adults with diabetes generally will need medication, diet, and exercise, and some patients will need insulin.\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Normal<\/span><\/td>\n<td><span style=\"font-weight: 400;\">70\u201399 mg\/dl\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Consult your healthcare provider. Generally, no action is required.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Low<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt;70 mg\/dl<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Consult your healthcare provider.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/www.singlecare.com\/blog\/wp-content\/uploads\/2023\/01\/fasting-blood-sugar-levels-chart.png\">Download this fasting blood sugar levels chart here.<\/a><\/p>\n<p><span style=\"font-weight: 400;\">The chart below converts A1C levels into an average blood sugar level. You can access this <\/span><a href=\"https:\/\/professional.diabetes.org\/diapro\/glucose_calc\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">calculator<\/span><\/a><span style=\"font-weight: 400;\"> to find your average blood sugar level if your exact A1C is not listed in the chart.\u00a0<\/span><\/p>\n<table class=\" singlecare-table\">\n<thead>\n<tr>\n<th>\n<h2 id=\"what-do-my-a1c-levels-mean\"><span class=\"title\">What do my A1C levels mean?<\/span><\/h2>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"header-row\">\n<td><b>Diagnosis<\/b><\/td>\n<td><b>A1C percentage (for adults)<\/b><\/td>\n<td><b>Estimated average glucose (EAG)<\/b><\/td>\n<\/tr>\n<tr>\n<td><strong>Normal<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">&lt;5.7%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">114 mg\/dl for A1C of 5.6%<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Prediabetes<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">5.7-6.4%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">117 to 137 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"8\"><strong>Diabetes<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">6.5% or higher<\/span><\/td>\n<td><span style=\"font-weight: 400;\">140 mg\/dl for A1C of 6.5%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">7%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">154 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">7.5%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">169 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">8%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">183 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">8.5%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">197 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">9%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">212 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">9.5%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">226 mg\/dl<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">10%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">240 mg\/dl<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/www.singlecare.com\/blog\/wp-content\/uploads\/2023\/01\/a1c-average-blood-sugar-chart.png\"><span style=\"font-weight: 400;\">Download this A1C average blood sugar chart here.<\/span><\/a><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/normal-a1c-levels\/\"><b>Learn more about normal A1C levels here<\/b><\/a><\/p>\n<h2 id=\"testing-for-diabetes\"><span style=\"font-weight: 400;\">Testing for diabetes<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If you have risk factors for diabetes or <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/diabetes-symptoms\"><span style=\"font-weight: 400;\">symptoms of high blood glucose<\/span><\/a><span style=\"font-weight: 400;\">, your healthcare provider may order a blood sugar test to determine whether you have diabetes or prediabetes. There are different types of tests for different types of diabetes. The most common tests for Type 1 diabetes, Type 2 diabetes, prediabetes, and gestational diabetes are:<\/span><\/p>\n<ul>\n<li><b>Hemoglobin A1C tests (HbA1C):<\/b><span style=\"font-weight: 400;\"> These measure average blood sugar levels over a three-month period and are performed in a healthcare provider\u2019s office or lab using a blood sample from the finger or arm. The A1C test does not require fasting beforehand.\u00a0<\/span><\/li>\n<li><b>Fasting blood glucose tests: <\/b><span style=\"font-weight: 400;\">These are performed similarly to A1C tests but require fasting for 8\u201312 hours beforehand.<\/span><\/li>\n<li><b>Glucose screening tests (also called glucose challenge tests): <\/b><span style=\"font-weight: 400;\">These are performed to <\/span><a href=\"https:\/\/my.clevelandclinic.org\/health\/diagnostics\/9696-glucose-test-pregnancy\"><span style=\"font-weight: 400;\">test for gestational diabetes<\/span><\/a><span style=\"font-weight: 400;\">. They involve drinking a glucose-rich liquid and having blood drawn one hour later to check blood sugar levels. Levels exceeding 140 mg\/dl require patients to take a glucose tolerance test to diagnose gestational diabetes.<\/span><\/li>\n<li><b>Glucose tolerance tests: <\/b><span style=\"font-weight: 400;\">These are similar to glucose screening tests but involve fasting for 8\u201312 hours beforehand and having blood drawn at one-hour intervals for up to three hours afterward.\u00a0\u00a0<\/span><\/li>\n<\/ul>\n<h2 id=\"how-to-monitor-blood-sugar\"><span style=\"font-weight: 400;\">How to monitor blood sugar<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If you\u2019re diagnosed with diabetes, your healthcare provider or diabetes educator will tell you how often to check your blood sugar at home. One way is to use a blood glucose monitor to check your blood sugar. This method uses a finger stick device (called a <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/lancing-device\"><span style=\"font-weight: 400;\">lancing device<\/span><\/a><span style=\"font-weight: 400;\">), which holds a lancet to get a drop of blood. Then, you put a drop of blood on a test strip, which is inserted into the monitor. The monitor will then give you a reading of your blood sugar.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Another method of checking blood sugar is by using a <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/save-freestyle-libre-singlecare\/\"><span style=\"font-weight: 400;\">continuous glucose monitor<\/span><\/a><span style=\"font-weight: 400;\"> (CGM). This method places a sensor on the body, with a tiny attachment that goes under the skin. CGMs monitor interstitial blood sugar, the sugar found in fluid between cells. The data is transmitted to a receiver or an app on the patient\u2019s mobile phone. Glucose data is updated every one to five minutes, depending on the CGM. This is especially useful in patients who use insulin and need frequent readings to make treatment decisions.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Your healthcare provider will give you more information on what to do if your blood sugar is too low. For example, they may recommend consuming 15 grams of fast-acting carbohydrates such as apple juice, Smarties, or glucose tablets. Or, if your blood sugar is too high, they may recommend administering insulin, depending on your condition.\u00a0\u00a0<\/span><\/p>\n<p><a class=\"cta-button\" href=\"https:\/\/www.singlecare.com\/prescription\/insulin-glargine-yfgn\"><span style=\"font-weight: 400;\">Insulin coupons<\/span><\/a><\/p>\n<h2 id=\"frequently-asked-questions-about-blood-sugar\"><span style=\"font-weight: 400;\">Frequently asked questions about blood sugar<\/span><\/h2>\n<h3 id=\"when-should-you-check-your-blood-sugar-and-why\"><span style=\"font-weight: 400;\">When should you check your blood sugar, and why?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Your healthcare provider will tell you how often to monitor your blood sugar. People with diabetes, especially those who use insulin, will need to monitor their blood sugar much more frequently than those with prediabetes or normal blood sugar. People with normal blood sugar may only require periodic testing, for example, once yearly, at their physical examination. Maintaining blood sugar in the target range is important in preventing long-term diabetes <\/span><a href=\"https:\/\/www.singlecare.com\/blog\/diabetes-complications\/\"><span style=\"font-weight: 400;\">complications<\/span><\/a><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<h3 id=\"what-is-the-difference-between-a1c-and-blood-sugar\"><span style=\"font-weight: 400;\">What is the difference between A1C and blood sugar?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A blood sugar level measures the amount of glucose, or sugar, in your blood at that exact moment. On the other hand, an A1C is a measure of blood glucose control over a period of about three months.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Blood sugar levels can be converted to an average A1C and vice versa. There are many <\/span><a href=\"https:\/\/professional.diabetes.org\/diapro\/glucose_calc\"><span style=\"font-weight: 400;\">calculators online<\/span><\/a><span style=\"font-weight: 400;\"> that can convert these numbers. For example, an A1C of 6.3% translates to an average blood sugar of 134 mg\/dl. You can talk more with your healthcare professional about your numbers and what they mean.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A patient may have an excellent A1C but have lots of highs and lows, while another could have an excellent A1C and have a very steady number that is usually in the target range. People who use a CGM can benefit from aiming for a \u201c<\/span><a href=\"https:\/\/diabetes.org\/tools-support\/devices-technology\/cgm-time-in-range\"><span style=\"font-weight: 400;\">time in range<\/span><\/a><span style=\"font-weight: 400;\">\u201d of at least 70%. The time in range is the amount of time spent in your target blood sugar range\u2014not too high or too low. Having consistent normal blood glucose levels can help prevent long-term complications from diabetes.<\/span><\/p>\n<h3 id=\"what-are-dangerous-blood-sugar-levels\"><span style=\"font-weight: 400;\">What are dangerous blood sugar levels?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Blood sugar can be dangerously high\u2014or dangerously low. Your healthcare provider will give you individual target ranges and tell you when to take action on dangerously high or low blood sugar levels. These numbers, especially high numbers, differ by individual. <\/span><a href=\"https:\/\/diabetes.org\/healthy-living\/medication-treatments\/blood-glucose-testing-and-control\/hypoglycemia\"><span style=\"font-weight: 400;\">Hypoglycemia<\/span><\/a><span style=\"font-weight: 400;\"> (low blood sugar) is generally defined as a blood sugar level less than 70 mg\/dl, but it can vary depending on the individual. Severe hypoglycemia may occur if your blood sugar drops to a level where you need help recovering. Your healthcare provider may prescribe glucagon that a trained family member or caregiver can administer to you in a low blood sugar emergency.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\t\t<div class=\"singlecare-dynamic-newsletter-wrapper sin-newsletter-wrapper\">\n\t\t\t<span class=\"heading\">Get our diabetes newsletter<\/span>\n\t\t\t<form class=\"form-wrapper\" data-newsletter-form=\"1\" data-subsource=\"Diabetes Newsletter\">\n\t\t\t\t<div class=\"input-wrapper\">\n\t\t\t\t\t<label for=\"dynamic-email\">Email<\/label>\n\t\t\t\t\t<input type=\"email\" id=\"dynamic-email\" class=\"email\" required>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"input-wrapper\">\n\t\t\t\t\t<input class=\"submit-form-btn\" type=\"submit\" value=\"Click to sign up\">\n\t\t\t\t<\/div>\n\t\t\t<\/form>\n\t\t\t<p class=\"success-message\" aria-live=\"polite\"><\/p>\n\t\t<\/div>\n\t<\/span><\/p>\n<h3 id=\"what-should-your-blood-sugar-levels-be-in-the-morning\"><span style=\"font-weight: 400;\">What should your blood sugar levels be in the morning?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">For people without diabetes, normal fasting blood sugar is less than 100 mg\/dl, generally 70\u201399 mg\/dl. Patients with diabetes will have target ranges recommended by their healthcare provider, generally between 70\u2013180 mg\/dl, depending on age and other factors.<\/span><\/p>\n<h3 id=\"what-are-the-target-blood-sugar-levels-for-type-1-vs-type-2-diabetes\"><span style=\"font-weight: 400;\">What are the target blood sugar levels for Type 1 vs. Type 2 diabetes?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Regardless of which type of diabetes you have, it is important to stay in the target range as much as possible to avoid long-term complications. Your healthcare provider will tell you your target ranges and give you more information on how to stay in the appropriate ranges.<\/span><\/p>\n<p><a class=\"cta-button\" href=\"https:\/\/www.singlecare.com\/resources\/diabetes\"><strong>Diabetes coupons &amp; discount diabetic supplies<\/strong><\/a><\/p>\n<p><a href=\"https:\/\/www.singlecare.com\/es\/recursos\/graficas-de-niveles-de-azucar-en-la-sangre\"><span style=\"font-weight: 400;\">Lea este art\u00edculo en espa\u00f1ol aqu\u00ed.<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blood sugar, also known as blood glucose, is the main sugar in your blood. It comes from foods you eat, and the blood carries glucose to your body&#8217;s cells, where it is used for energy. People with diabetes have higher-than-normal blood glucose levels, or hyperglycemia. Over time, high blood sugar can cause complications like heart [&hellip;]<\/p>\n","protected":false},"author":133,"featured_media":56522,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8029],"tags":[10298],"coauthors":[10668],"class_list":["post-56514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health-education","tag-diabetes","wpautop"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Blood sugar charts: Normal levels by age and more<\/title>\n<meta name=\"description\" content=\"Blood sugar levels vary by age, whether you have diabetes, when you last ate, and other factors. 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