Final answer:
Difficulty in breathing usually occurs in the second half of pregnancy due to the upward pressure of the growing uterus on the diaphragm. Remedies like improving posture, using a humidifier, and increasing fluid intake can alleviate the symptoms. Severe cases, which are rare, should be evaluated by a healthcare provider.
Step-by-step explanation:
Difficulty breathing, or dyspnea, typically occurs during the second half of pregnancy, due to the growing uterus exerting upward pressure on the diaphragm. Treatment often includes practicing good posture, sleeping with elevated pillows, and when necessary, wearing loose clothing. Oxygen demands of the fetus and the mother's increased metabolic rate contribute to the increased respiratory minute volume by 50 percent. Relief usually comes when the fetus descends in the pelvis during the lightening process in the last weeks of pregnancy.
During pregnancy, the respiratory mucosa may swell due to increased blood flow, which can also cause nasal congestion and nosebleeds. Counteracting these symptoms might include the use of a humidifier and an increase in fluid intake to reduce congestion. These symptoms are generally not a cause for concern and can be managed with simple home remedies unless they become severe, in which case medical advice should be sought.