Why do I feel chest tightness and shortness of breath during pregnancy?

When women are pregnant, there are many things they need to pay attention to, because many things will threaten the health of the fetus. Some pregnant women experience chest tightness and shortness of breath. This symptom not only makes pregnant women breathe poorly, but also makes them feel very uncomfortable. If there is no problem with the pregnant woman's heart, this situation is normal and there is no need to be too nervous. So what is the reason for feeling chest tightness and shortness of breath during pregnancy?

First, why do you feel chest tightness and shortness of breath during pregnancy? First of all, the enlarged abdomen during pregnancy causes increased abdominal pressure, which affects the respiratory movement of the diaphragm and thoracic respiratory muscles; secondly, the inferior vena artery and vein are compressed to reduce the amount of blood returning to the heart, and the metabolic waste of the fetus is discharged into the mother's blood, causing a slight imbalance of the mother's blood electrolytes, mainly mild acidosis.

Second, chest tightness and shortness of breath in pregnant women refers to the phenomenon that pregnant women may experience chest tightness and shortness of breath after pregnancy, and feel uncomfortable and uncomfortable when exhaling. Excluding heart problems, this is a normal phenomenon. After 28 weeks of pregnancy, as the weight of the pregnant woman continues to increase, it becomes increasingly inconvenient for her to move. Because the heart and lungs of the pregnant woman are under a double burden during pregnancy, she must absolutely avoid excessive fatigue and strenuous exercise. The cause of this breathing difficulty is often due to the increase in the size of the uterus, which presses upward on the abdominal diaphragm, thereby reducing the volume of the chest cavity, causing the pregnant woman to become short of breath and feel suffocated.

Why do I feel chest tightness and shortness of breath during pregnancy? Other causes of chest tightness and shortness of breath: Functional chest tightness: It refers to staying in a room with closed doors and windows and poor air circulation for a long time, or encountering certain unpleasant things, or even quarreling or arguing with others, or being in a climate with low air pressure, which often causes a feeling of chest tightness and fatigue; Cardiac neurosis: It is a type of systemic neurosis, and its symptoms are varied. The most common symptoms are palpitations, dyspnea, precordial pain and general fatigue, as well as irritability, insomnia, sweating, trembling, dizziness, and nightmares.