Fatigue during pregnancy may be a normal symptom, but it can also be a warning sign of serious complications. Pregnant women should understand the causes and symptoms so they can take appropriate measures to manage this condition effectively.
Why are pregnant women prone to fatigue during pregnancy?
During pregnancy, a woman’s body undergoes many changes. One of the first changes is the increased production of progesterone to support pregnancy. In addition, pregnancy-related symptoms can place considerable strain on the mother’s body. These sudden changes may make the mother feel uncomfortable as her body has not yet fully adapted.
In addition to common hormonal changes, fatigue during pregnancy may also be caused by certain health problems or medical conditions. Common contributing factors include hypoglycemia, insomnia, and poor metabolism. Some pregnancy-related conditions, such as gestational diabetes, depression during pregnancy, physical weakness, and allergies, may also cause pregnant women to feel fatigued.
Common symptoms of fatigue during pregnancy

Fatigue
Hormonal changes, combined with the growing fetus, can make pregnant women more prone to fatigue. A feeling of heaviness and sluggishness may also lead to negative emotions. Therefore, expectant mothers should try to maintain a positive mindset, identify the underlying causes, and take appropriate measures to improve their condition.
Nausea or vomiting
Nausea or vomiting is a common symptom during pregnancy. Most pregnant women experience more severe morning sickness during the first trimester. A small number may continue to have morning sickness in the second trimester, and in rare cases, it may persist for several months during pregnancy.
Morning sickness not only causes fatigue during pregnancy but may also lead to loss of appetite and difficulty sleeping. Pregnant women should try to maintain balanced nutrition, ensure adequate nutrient intake, and see a doctor if vomiting becomes excessive.

These symptoms often occur because the mother’s heart has to work harder to supply blood and oxygen to the fetus. However, headache, dizziness, and lightheadedness may also be signs of exhaustion or nutritional deficiency.
Headache and dizziness are common symptoms during pregnancy.
Difficulty sleeping
Insomnia during pregnancy is one of the most challenging problems for expectant mothers. Pregnant women need more rest to restore energy and maintain balance in the body. When they experience insomnia or difficulty sleeping, their sleep becomes incomplete, disrupting metabolism and mental relaxation. This may make pregnant women more prone to physical weakness and fatigue during pregnancy.
Difficulty sleeping and insomnia can also make expectant mothers irritable and constantly tired. If the condition persists, it may even affect the fetus.
Constipation during pregnancy
Digestive problems during pregnancy are never comfortable for expectant mothers. Belching, bloating, and constipation are common issues. Even with a high fiber diet, pregnant women may still experience constipation due to metabolic changes and hormonal fluctuations.
Therefore, expectant mothers should closely monitor their digestive health and promptly adjust their diet and daily routine when abnormal symptoms appear.
Swelling of the hands and feet
Joint swelling and edema of the hands and feet often occur in the last three months of pregnancy. However, in some cases, swelling may appear earlier, from the fourth or fifth month of pregnancy. Pregnant women who are overweight, have diabetes, or are physically inactive may have a higher risk of edema.
Swelling of the hands and feet can make movement difficult and cause pain and fatigue for expectant mothers. If the edema becomes severe, it may pose risks to both the mother and the fetus.

Back pain
As the fetus grows each day, it places pressure on the pelvic cavity and skeletal system. In addition, blood vessel dilation and the increasing size of the uterus also place pressure on the spine and nervous system. Most pregnant women may feel more fatigued during pregnancy as the fetus grows and back pain becomes more pronounced.
Frequent urination
Nocturia and frequent urination during the day are common symptoms during pregnancy. However, these symptoms can cause considerable inconvenience and discomfort for the mother. This condition occurs because the growing fetus in the uterus compresses the bladder, making the mother feel the urge to urinate frequently and sometimes causing urinary retention at night, which may contribute to fatigue during pregnancy.
However, pregnant women should not reduce their water intake because of this. They should drink enough water to avoid other problems, such as dry and cracked hands and feet, and most importantly, to help maintain adequate amniotic fluid for the fetus.
Other uncomfortable symptoms
Abdominal discomfort, dry and cracked hands and feet, rhinitis, shortness of breath, and sweating are common uncomfortable symptoms during pregnancy and may cause fatigue throughout the nine months of gestation. These are usually normal pregnancy-related symptoms, so mothers should not be overly worried. They should try to find appropriate relief measures and maintain the most comfortable mindset possible.
If fatigue during pregnancy persists and affects daily life, pregnant women should contact an obstetrician and visit the nearest medical facility for examination.
Register for the maternity care package via hotline at 0919 645 271 or fill out the form below.
Tips to reduce fatigue during pregnancy and scientific prenatal care guidelines
Proper sleep and rest
Adequate rest is a highly effective way to reduce symptoms of fatigue during pregnancy. The healthier the mother’s body is, the less severe pregnancy-related symptoms may become.
Expectant mothers should find suitable ways to maintain sufficient sleep and a healthy rest schedule throughout pregnancy. If pregnant women are experiencing insomnia during pregnancy, they may divide their sleep into several shorter periods during the day, take longer naps, and ensure at least seven hours of deep sleep each day.
A healthy diet
Fatigue during the first trimester of pregnancy is mainly related to dietary issues, so pregnant women should pay close attention to nutrition. In early pregnancy, the mother’s body may not yet have adapted, making it difficult to adjust eating habits and increasing the risk of nutritional deficiency.
As soon as pregnancy is confirmed, women should gradually increase their food intake while building a scientific, diverse, and nutritious meal plan. They should avoid foods and beverages that contain stimulants or place pressure on the digestive system. A nutrient-rich diet that is low in greasy foods and mild in taste is a suitable choice throughout pregnancy. Pregnant women should also avoid pickled, spicy, and hot foods to support better digestive health during pregnancy.
Eating well and sleeping enough are among the most effective ways to help mothers reduce fatigue during pregnancy.

Exercise tips to reduce fatigue during pregnancy
Pregnancy often makes the body feel heavy, causing many pregnant women to become less physically active. In fact, regular gentle exercise can help reduce fatigue during pregnancy.
Expectant mothers can choose suitable forms of exercise, such as walking, prenatal yoga, or simple physical exercises. Gentle exercise can be especially effective in reducing fatigue during the third trimester. Light exercises may also help reduce swelling of the hands and feet, relieve cramps, and support an easier delivery.
Reducing stress during pregnancy
Pregnancy is a challenging journey that may involve many worries and emotional pressures. To reduce fatigue, pregnant women should try to ease unnecessary concerns. Psychologists suggest that reducing workload or limiting social commitments can be an effective way to improve maternal health during pregnancy.
Pregnant women should avoid taking on too much responsibility. They should allow their husbands or family members to share household tasks as well as the emotional pressure they may be experiencing. When stress is reduced, symptoms of fatigue during pregnancy may improve significantly.
Prenatal health care guidelines by trimester
During the first trimester, morning sickness and hormonal changes often cause the most fatigue. However, pregnant women should take proper care of both themselves and the fetus during this stage. They should eat whenever possible, divide meals into smaller portions, and avoid becoming hungry. They should also drink plenty of water, exercise gently, get enough sleep, and avoid activities that may pose risks to both mother and baby.
Fatigue during the second trimester is usually less severe, as this is the most stable stage of pregnancy. However, it is also a key period for fetal development. Mothers should maintain proper rest and gentle exercise, prepare a weekly nutrition plan, and undergo necessary tests to determine which nutrients should be supplemented to support healthy fetal growth. They should also drink plenty of water, eat green vegetables, and increase calcium and iron intake in their diet.
During the third trimester, mothers should pay closer attention to exercise. At this stage, the fetus is larger, and the mother may be more prone to body aches, pain, and swelling due to fetal pressure. Regular exercise, massage, relaxation techniques, and sharing emotional pressure with family members can help improve comfort. Pregnant women should also remember to attend scheduled prenatal ultrasound examinations during the third trimester.

Signs of fatigue during pregnancy that require hospital examination
Most signs of fatigue during pregnancy are benign. However, if any of the following symptoms occur, pregnant women should go to the hospital for examination immediately:
- Headache, blurred vision, and pain under the right rib cage. These may be warning signs of preeclampsia rather than ordinary fatigue, so the mother should be hospitalized immediately.
- Persistent fatigue accompanied by vaginal bleeding.
- Shortness of breath, chest tightness, or reduced fetal movement.
- Prolonged shortness of breath, abnormal breathing patterns, or persistent rapid and labored breathing.
- Excessive stress.
- Vomiting accompanied by fever and abdominal pain.
Pregnant women should also seek medical examination immediately if they feel that their fatigue is abnormal. The best way to prevent complications is to attend regular prenatal checkups throughout pregnancy.
Hong Ngoc Hospital: A trusted destination for prenatal checkups for expectant mothers
With more than 20 years of experience in healthcare, Hong Ngoc Hospital is a trusted destination for prenatal checkups, chosen by many women.
The hospital offers maternity packages designed according to different stages of pregnancy, allowing mothers to choose the most suitable option. With each maternity package and comprehensive delivery package at Hong Ngoc, expectant mothers receive scheduled prenatal checkups, complete fetal ultrasound examinations, and necessary laboratory tests.
In particular, with a team of experienced obstetricians and an advanced medical equipment system, expectant mothers receive comprehensive and attentive maternity care. Hong Ngoc’s hotline is also ready to provide consultation whenever pregnant women feel fatigued during pregnancy or experience any abnormalities. All maternal concerns will be answered in detail.
Note: The information provided in this article by Hong Ngoc General Hospital is for reference purposes only and is not intended to replace professional medical diagnosis or treatment. Patients should not purchase or use medications on their own for treatment. To accurately determine their medical condition, patients should visit a hospital for direct examination, diagnosis, and consultation with a physician on an appropriate treatment plan.
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