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Breathlessness in Pregnancy
Know the SignsAll TrimestersWhen to Act
Feeling a little winded when you climb stairs or talk for a long time is normal in pregnancy. But true difficulty breathing - where you feel like you cannot get enough air even at rest - is not something to ignore. Knowing the difference could be important.
Normal Causes of Breathlessness
| Cause | When | Why |
|---|---|---|
| Progesterone effect | First trimester | Hormone makes you breathe faster |
| Uterus pushing diaphragm up | Second and third trimester | 30-40% less lung space |
| Anaemia | Any trimester | Fewer red cells carrying oxygen |
| Increased blood volume | All trimesters | Heart and lungs working harder |
Warning Signs That Need Urgent Care
These symptoms alongside breathlessness need immediate medical assessment - do not wait.
- Chest pain or tightness
- Heart palpitations - racing or irregular heartbeat
- Sudden onset breathlessness with no exertion
- Lips or fingertips turning bluish
- Breathlessness at rest that gets rapidly worse
- Coughing up blood or pink frothy sputum
- One leg swollen, red, and painful (possible blood clot)
Pulmonary embolism risk
Pregnancy increases the risk of blood clots by 4-5 times compared to non-pregnant women. A clot in the lung (PE) causes sudden severe breathlessness. If you have a swollen painful leg and any breathing difficulty, go to hospital immediately.
What Helps Normal Breathlessness
- Sit or stand up straight - slouching compresses the lungs further
- Sleep propped up with extra pillows
- Take breaks and do not push through breathlessness during exercise
- Ask your doctor to check your iron levels if you feel fatigued as well
- In the third trimester, note that relief often comes once the baby drops (engages)