Asthma is a disease of lungs , which leads to chronic inflammation of respiratory tract, making breathing extremely difficult. Unfortunately, there is no medicine that completely cures asthma. Most people with asthma manage to keep the disease under control and avoid serious health problems. But if you are pregnant, and you have asthma attacks during pregnancy, it is very important for you to consult a doctor about how to control your illness and, if necessary, get qualified medical help.