How to prevent gestational diabetes

Written by Zhang Jun Jun
Endocrinology
Updated on May 03, 2025
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The onset of gestational diabetes is primarily due to uncontrolled diet during pregnancy, leading to rapid weight gain, which in turn causes insulin resistance and results in high blood sugar. Gestational diabetes is characterized by increased blood sugar levels caused by this insulin resistance. In the early stages, it can be managed by controlling diet and increasing physical activity to keep blood sugar within a reasonable range. If blood sugar cannot be controlled, insulin medication intervention may be necessary. How to prevent it in the early stages? Mainly, it involves keeping weight within a reasonable range, monitoring weight gain, while ensuring normal fetal development. Additionally, in terms of diet, avoid excessive intake of foods high in oil, such as animal organs; fats and oils are high in lipids, which can also exacerbate insulin resistance, leading to the development of gestational diabetes. (Please use medication under the guidance of a doctor to avoid blind self-medication).

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Written by Luo Juan
Endocrinology
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Can pregnant women with gestational diabetes eat dragon fruit?

For patients with gestational diabetes, it is permissible to eat dragon fruit. Since dragon fruit contains relatively low sugar levels, it can be consumed. However, it should not be eaten in excess, as excessive consumption can still lead to fluctuations in blood sugar levels. In the treatment of gestational diabetes, we should not cause the pregnant woman's weight to decrease, hence a low-calorie treatment is not advocated. Generally, the total calories are calculated based on standard weight, approximately 30 to 35 kcal per kilogram of body weight per day. Sugars should make up about 50%, proteins 20%-25%, and fats 25%-30%. It is best to divide these into three main meals and three snacks, adjusting the proportion and calorie content of the diet according to body type. Therefore, patients with gestational diabetes can eat dragon fruit, and it can be consumed as a snack between main meals.

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Written by Chen Xie
Endocrinology
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Dietary Guidance for Gestational Diabetes

The dietary principles for gestational diabetes are consistent with those for non-pregnant diabetes. Firstly, the total daily caloric intake should be balanced, with carbohydrates accounting for 50%-60%, proteins for 15%-20%, and fats for 20%-30%. The overall principle is to eat smaller, more frequent meals, ideally adding two to three snacks to the three main meals per day. Common foods primarily include milk, proteins, egg whites, and fruits. Then, generally maintain the level of diet before pregnancy without overly restricting it. It is advisable to consume a significant amount of vegetables, no less than 500 grams daily, to supplement vitamins and fiber.

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Written by Luo Han Ying
Endocrinology
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Is gestational diabetes easy to treat?

Gestational diabetes nowadays is often related to excessive supplementation for pregnant women, meaning eating too much and too well. Families tend to be overprotective, and there is no need for exercise. Additionally, during pregnancy, insulin resistance and some special bodily changes occur. Therefore, between the 24th and 28th weeks, high blood sugar levels can be detected. After the diagnosis of gestational diabetes, first and foremost, it is necessary to adjust one's mindset and control the diet strictly. During pregnancy, it is sufficient to ensure adequate protein intake, and it's not about eating more or better. Secondly, for gestational diabetes, exercise can be intensified to control blood sugar levels.

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Written by Tang Zhuo
Endocrinology
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Gestational diabetes manifestations

Gestational diabetes refers to hyperglycemia that either develops or is first identified during pregnancy, including previously unrecognized glucose intolerance and diabetes prior to pregnancy. Typical symptoms of gestational diabetes include frequent urination, increased thirst, and increased hunger, or recurrent vulvovaginal candidiasis. High vigilance for gestational diabetes is warranted if the pregnant woman weighs over 90 kilograms, or if the current pregnancy is complicated by excessive amniotic fluid or a macrosomic fetus. The danger of this condition is that, in severe cases or where blood sugar control is poor, it can easily lead to miscarriage and preterm birth, as well as infections, and in severe cases, may lead to ketoacidosis. Treatment involves two aspects: one is dietary control, and for patients who cannot control their diet effectively, insulin treatment can be used. (Medication should be used under the guidance of a doctor.)

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Written by Chen Xie
Endocrinology
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What to eat with gestational diabetes

The dietary control for gestational diabetes adheres to the same overall principles as non-pregnant diabetes management, mainly focusing on controlling total caloric intake and eating smaller, more frequent meals. This approach helps manage blood sugar levels and reduces the occurrence of hypoglycemia. Additionally, it is important to consider the nutrients required for fetal growth and development. Generally, carbohydrate intake should make up 50%-60% of the diet, proteins 15%-20%, and fats should not exceed 30%. Foods that quickly increase blood sugar levels and are high in fat should be consumed minimally. Instead, it is beneficial to consume a lot of vegetables, at least 500 grams daily, to ensure adequate intake of vitamins and fiber.