Altus Emergency Centers

Pregnant woman sitting on a couch, hands on her stomach, visibly experiencing breathing problems in pregnancy.

Breathing Problem in Pregnancy

Pregnancy brings many changes to a woman’s body, and shortness of breath is one of the most common. As the uterus expands, it presses against the diaphragm, making breathing feel more difficult. Hormonal changes, especially increased progesterone, can also play a role by affecting how the lungs and airways function. While occasional breathlessness is usually normal, it can sometimes feel unsettling for expectant mothers. Visit the Altus Emergency Room Lumberton, TX for expert evaluation and care during pregnancy-related breathing concerns.

Experiencing a breathing problem in pregnancy may vary from mild shortness of breath during daily activities to noticeable discomfort while resting. These symptoms often occur in the later stages as the baby grows and requires more oxygen. Though often harmless, it is important to recognize when breathing changes are more serious and may require medical attention. 

Why Breathing Changes in Pregnancy?

Shortness of breath, or dyspnea, is a common experience during pregnancy. Research indicates that approximately 60% to 70% of pregnant women report experiencing shortness of breath at some point during their pregnancy. A woman’s body undergoes several changes that can affect breathing. The growing uterus pushes against the diaphragm, reducing lung expansion and making it harder to take deep breaths. Hormonal fluctuations, particularly increased progesterone, stimulate the respiratory system, causing faster breathing and a feeling of breathlessness. Blood volume also increases to support the baby, which requires more oxygen and can make breathing feel more effortful. Understanding pregnancy and breathing problems helps expectant mothers recognize what’s normal and when medical attention may be needed.

Increased Blood Volume

Pregnancy increases blood volume to meet the baby’s needs, which means the heart and lungs work harder to deliver oxygen. This additional workload can make breathing feel more labored. As a result, women may notice a faster heartbeat and mild shortness of breath even during light activity. The body gradually adapts, but these changes are more noticeable in the later stages of pregnancy.

  • Faster heartbeat during exertion.
  • Feeling winded more quickly.
  • Need for frequent rest breaks.

Diaphragm Pressure from the Growing Uterus

As the baby grows, the uterus expands upward and puts pressure on the diaphragm, the muscle that helps control breathing. This reduces lung capacity and makes deep breaths more difficult. Women may notice shortness of breath even during light activity. Proper posture and pacing of daily activities can help ease this discomfort.

  • Feeling breathless while walking or climbing stairs.
  • Difficulty taking deep breaths while lying down.
  • More noticeable in the third trimester.

Hormonal Changes Affecting Breathing

Progesterone levels rise during pregnancy, which can cause the body to breathe more rapidly and deeply. This change helps supply enough oxygen for both mother and baby, but it can feel like shortness of breath. Many women notice this, especially during physical activity or when lying down.

  • Increased respiratory rate.
  • Feeling “air hungry” even at rest.
  • Can cause mild dizziness in some cases.

Nasal Congestion and Swelling

Many pregnant women experience nasal congestion due to hormonal changes, which can make airflow through the nose harder. Swelling of the nasal passages may contribute to the sensation of difficulty breathing. Using a humidifier or saline sprays can help ease nasal discomfort. Avoiding allergens and irritants can further reduce congestion and improve breathing.

  • Stuffy or blocked nose.
  • Snoring or sleep disturbances.
  • Can worsen shortness of breath at night.

When Does the Breathing Problem in Pregnancy Start?

A breathing problem in pregnancy can begin at different stages depending on the individual. Many women notice mild shortness of breath during the first trimester due to hormonal changes that increase respiratory rate. As pregnancy progresses, the growing uterus can push against the diaphragm, making deeper breaths more difficult. The second and third trimesters are when most women feel breathlessness during daily activities or even at rest. Recognizing these patterns helps expectant mothers manage symptoms effectively and understand when to seek medical advice.

First Trimester 

A breathing problem in early pregnancy is often linked to rising progesterone levels, which stimulate faster breathing to meet oxygen needs for both mother and baby. Some women may also experience mild dizziness or lightheadedness due to these changes. Occasional fatigue and an increased heart rate are common during daily activities.

  • Mild shortness of breath at rest.
  • Feeling “air hungry” occasionally.
  • Often accompanied by fatigue.
  • Usually harmless but should be monitored.
  • Helps prepare the body for the growing baby’s oxygen needs.

Second Trimester

As the uterus grows, it begins to press on the diaphragm, slightly reducing lung capacity. Many women notice breathlessness during physical activity at this stage. The body adapts by increasing lung efficiency, but some discomfort may persist. Hormonal changes continue to play a role in breathing patterns.

  • Shortness of breath while walking or climbing stairs.
  • Feeling winded more quickly than usual.
  • Mild chest tightness during exertion.
  • Symptoms usually improve with rest.
  • Usually manageable with proper posture and pacing.

Third Trimester

In the final trimester, the enlarged uterus pushes further against the diaphragm, making deep breathing more difficult. Oxygen demand is also at its highest, and some women feel breathless even at rest. Increased fluid retention and mild swelling may further contribute to discomfort. It’s important to adjust activity levels and take breaks when needed.

  • Shortness of breath even at rest.
  • Difficulty lying flat due to pressure on lungs.
  • Increased heart rate during activity.
  • Importance of pacing activities and resting frequently.
  • Supportive breathing techniques can help alleviate discomfort.

Are Breathing Problems in Pregnancy Normal?

Yes, mild breath problems during pregnancy are often normal due to physical and hormonal changes in the body. As the uterus grows, it pushes against the diaphragm, and increased progesterone can make breathing feel faster or shallower. While occasional shortness of breath is common, it’s important to monitor symptoms and know when to seek medical attention.

  • Mild shortness of breath is common, especially in the 2nd and 3rd trimesters.
  • Hormonal changes can increase breathing rate.
  • Physical activity or climbing stairs may worsen breathlessness.
  • Swelling or nasal congestion can make breathing feel harder.
  • Severe or persistent symptoms should be evaluated by a doctor.

Choosing the Right Care with Altus Emergency Center

Experiencing a breathing problem in pregnancy can be stressful and confusing. At Altus Emergency Center, our compassionate team is available 24/7 to guide you through every step, whether it’s a routine check-up, same-day evaluation, or urgent care for sudden shortness of breath. Prompt assessment ensures that both you and your baby receive the right care. If you’re ever unsure about the severity of your symptoms or the type of care you need, our experts are ready to provide fast, reliable support and peace of mind. Understanding the causes and when to seek help can bring peace of mind during this important time, ensuring both maternal and inpatient care needs are properly addressed.

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