Managing Low Blood Pressure During Pregnancy: Info and Tips

24 Mar 2024, by Docus AI Doctor

Reviewed by: Dr. Lusine Badalian

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Navigating through pregnancy brings its unique set of challenges and health considerations, one of which may include managing low blood pressure. This condition, while less commonly discussed than its counterpart, high blood pressure, still warrants attention for the wellbeing of both mother and child. According to the World Health Organization (WHO), maintaining optimal maternal health requires vigilant monitoring of vital signs, including blood pressure levels, to prevent complications during pregnancy and childbirth​​. This article aims to shed light on essential questions surrounding low blood pressure during pregnancy, offering insights into its causes, symptoms, risks, and management strategies. By understanding these aspects, expectant mothers can better navigate their pregnancy journey with informed care and support.

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Why Is My Blood Pressure Low During Pregnancy?

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Low blood pressure during pregnancy is a common condition and can occur for several reasons. Firstly, during pregnancy, the body's circulatory system expands rapidly, which can lead to a decrease in blood pressure. Additionally, the hormone progesterone increases to support the pregnancy, relaxing the walls of blood vessels and further contributing to lower blood pressure.

Another reason could be dehydration. With the body requiring more fluids during pregnancy to support the expanding blood volume and to meet the needs of the fetus, not consuming enough fluids can lead to dehydration and, consequently, lower blood pressure.

Low blood pressure can also be a result of lying on your back. This position can cause the expanding uterus to exert pressure on the inferior vena cava (a large vein that returns blood from the lower body to the heart), reducing blood flow and lowering blood pressure.

While low blood pressure is generally less concerning than high blood pressure during pregnancy, it's important to monitor it and consult with your healthcare provider to ensure it doesn't affect your health or the health of your baby.

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What Are the Symptoms of Low Blood Pressure During Pregnancy?

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Recognizing the symptoms of low blood pressure during pregnancy is important for managing the condition and preventing complications. Symptoms may include:

  • Dizziness or Light-headedness: A drop in blood pressure can reduce blood flow to the brain, causing dizziness.
  • Fainting: Severe low blood pressure can lead to fainting, especially when standing up too quickly from a sitting or lying position.
  • Blurred Vision: Reduced blood flow to the eyes can cause temporary vision problems.
  • Nausea: Low blood pressure can affect digestion and lead to feelings of nausea.
  • Fatigue: Feeling unusually tired or weak can be a symptom of low blood pressure, as the body's organs receive less oxygen and nutrients.
  • Palpitations: A feeling of fluttering or pounding in the chest due to the heart working harder to pump blood.


If you experience any of these symptoms, it's important to sit or lie down immediately and elevate your feet to increase blood flow to your brain. Drinking water and eating a small snack can also help by increasing blood volume and sugar levels. Always report these symptoms to your healthcare provider for further evaluation and guidance.

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What are the risks of low blood pressure during pregnancy?

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While low blood pressure is common during pregnancy and often not a cause for concern, it can pose risks if the levels drop too much or if symptoms affect your daily life. Risks associated with low blood pressure during pregnancy include:

  • Falls and Injuries: Dizziness or fainting due to low blood pressure can increase the risk of falls, potentially leading to injuries for the mother.
  • Reduced Blood Flow to the Placenta: Extremely low blood pressure can reduce the flow of blood to the placenta, which may impair the delivery of oxygen and nutrients to the fetus.
  • Fatigue: Chronic low blood pressure can lead to persistent fatigue, making it difficult for pregnant women to manage their daily activities and maintain a healthy pregnancy.


It's essential to work closely with your healthcare provider to monitor your blood pressure throughout your pregnancy. They can provide advice and treatment options to help manage low blood pressure and reduce the risk of complications for both you and your baby.

By understanding and addressing low blood pressure during pregnancy, you can help ensure a healthier and safer pregnancy experience. Always prioritize regular check-ups and communicate openly with your healthcare provider about any concerns or symptoms you experience.

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How to Raise Low Blood Pressure During Pregnancy?

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Raising low blood pressure during pregnancy is crucial for ensuring the health and safety of both the mother and the baby. If you're experiencing low blood pressure, here are some steps you can take to help manage it:

  • Stay Hydrated: Drinking plenty of fluids, especially water, helps maintain blood volume and prevent dehydration, which can cause blood pressure to drop. Aim for at least 8-10 glasses of water a day.
  • Eat Small, Frequent Meals: Large meals can cause blood pressure to drop, especially during pregnancy. Eating smaller, more frequent meals helps maintain a steady blood sugar level and blood pressure.
  • Avoid Standing for Long Periods: Standing for extended times can reduce blood flow to the heart and lower blood pressure. If you must stand, shift your weight between your legs periodically.
  • Wear Supportive Stockings: Compression stockings can help reduce the pooling of blood in the legs and improve blood flow to the heart, helping to raise blood pressure.
  • Limit High-carbohydrate Foods: Foods high in carbs can cause a rapid increase in blood sugar followed by a drop in blood pressure. Opt for a balanced diet with a good mix of protein, fat, and carbohydrates.
  • Increase Salt Intake Moderately: While too much salt is generally not recommended, a moderate increase may be helpful for some individuals with low blood pressure. Always consult with your healthcare provider before making any significant dietary changes.
  • Lie on Your Left Side: When resting or sleeping, lying on your left side can improve blood flow to the heart, which might help increase blood pressure.


Remember, it's essential to consult with your healthcare provider before trying any new strategies to manage low blood pressure during pregnancy. They can offer personalized advice based on your health status and pregnancy needs.

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