You can test your Oxygen saturation with a pulse oxymeter
If oxygen saturation is less than 97 then do a ultrasound lung or chest X-ray with abdominal shield after 20 weeks
Otherwise you can do an MRI lungs which is safe in pregnancy
Next Steps
Do breathing exercises and Swiss ball every day
Incentive spirometeric exercises
Take 3 oranges daily
Take a boiled egg daily
Health Tips
Continue Mothers Horlicks two spoons with milk two times a day
Continue Fol 123