What week of pregnancy does shortness of breath start?
Around the 31st to 34th week of pregnancy, the uterus begins to press on the diaphragm (the flat muscle that moves up and down when you breathe). These changes may make it hard for your lungs to fully expand. This may cause more shallow breathing, and you may feel short of breath.
Is shortness of breath normal during period?

Along with the heavy bleeding, you might have signs of anemia, such as fatigue or shortness of breath. A heavy menstrual flow is common. About one-third of women will eventually see their doctor about it.
What are the symptoms of shortness of breath?
These include:
- a “winded” feeling that persists even after you’ve been resting for 30 minutes.
- swollen ankles and feet.
- coughing, chills, and elevated body temperature.
- wheezing or a whistling sound when you inhale and exhale.
- a high-pitched sound when you breathe, known as a stridor.
- blue fingertips or lips.
What does shortness of breath feel like without exertion?
Normal breathing is relatively slow and occurs without much thought. When you begin breathing faster and feel that the breath is shallower, that’s what shortness of breath feels like. You may switch from breathing through your nose to your mouth to try to get more air. When this happens without athletic exertion, it’s a concern.

Can a heart condition cause shortness of breath?
Though most of us think of our lungs first if we feel short of breath, heart conditions need to be carefully considered. In fact, a study that looked at people who had shortness of breath as their only symptom of heart disease had a greater chance of dying than those who had typical chest pain.
When to go to the hospital for shortness of breath?
If your shortness of breath is mild or the result of anxiety, you may be asked to come to the surgery rather than a home visit. If you’ve struggled with your breathing for a while, don’t ignore it.
How long does it take for short of breath to come on?
Some people also describe a sensation of chest tightness. 1 Shortness of breath can come on acutely in a matter of minutes or hours; or chronically over days, weeks, months or even years.
Normal breathing is relatively slow and occurs without much thought. When you begin breathing faster and feel that the breath is shallower, that’s what shortness of breath feels like. You may switch from breathing through your nose to your mouth to try to get more air. When this happens without athletic exertion, it’s a concern.
When to see a doctor about shortness of breath?
Obviously you should discuss stubborn breathing troubles with a doctor — especially if you have other worrisome symptoms, like pain or trouble staying upright. In older patients who mostly feel short of breath during exercise, it’s much more likely to be a symptom of disease of the heart and/or lungs.
What causes shortness of breath in the heart?
Causes. Most cases of shortness of breath are due to heart or lung conditions. Your heart and lungs are involved in transporting oxygen to your tissues and removing carbon dioxide, and problems with either of these processes affect your breathing.
Why do I feel short of breath when I sit?
Prolonged sitting can cause shortness of breath by way of bad posture. What causes shortness of breath? Sometimes, having knots in your muscles, especially on trigger points, can make you feel short of breath. Anxiety — whether acute and situational or a chronic disorder — can also cause you to feel short of breath.