Asthma in Pregnancy

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• Asthma in Pregnancy Overview
• Your asthma action plan
• Symptoms and triggers of asthma
• Severe asthma attacks
• Treatment of asthma in pregnancy
• Use of asthma medication during pregnancy
• Medications
• Other treatments
• Pregnancy outcome
• Multimedia
• Synonyms and Keywords
• Authors and Editors

Asthma in Pregnancy Overview

Pregnancy is an exciting time in a woman's life. Changes in your body may be matched by changes in your emotions. You don't know what to expect from day to day. You may feel tired, uncomfortable, or cranky one day and energetic, healthy, and happy the next. The last thing you need is an asthma attack.

Asthma is one of the most common medical conditions in the US and other developed countries. If you have asthma, you know what it means to have an exacerbation (attack). You may wheeze, cough, or have difficulty breathing. Remember that the fetus (developing baby) in your uterus (womb) depends on the air you breathe for its oxygen. When you have an asthma attack, the fetus may not get enough oxygen. This can put the fetus in great danger.

If you took medication for your asthma before you became pregnant, especially if your asthma was well controlled, you may be tempted to stop taking your medication out of fear that it might harm the fetus. That would be a mistake without the advice of your health care provider. The risk to the fetus from most asthma medications is tiny compared to the risk from a severe asthma attack. Moreover, women with asthma that is uncontrolled are more likely to have complications during pregnancy. Their babies are more likely to be born preterm (premature), to be small or underweight at birth, and to require longer hospitalization after birth. The more severe the asthma, the greater the risk to the fetus. In rare cases, the fetus can even die from oxygen deprivation.

How pregnancy may affect your asthma is unpredictable. About one third of women with asthma experience improvement while they are pregnant, about one third get worse, and the other third stay about the same. The milder your asthma was before pregnancy, and the better it is controlled during pregnancy, the better your chances of having few or no asthma symptoms during pregnancy.

If asthma control deteriorates during pregnancy, the symptoms tend to be at their worst during weeks 24-36 (months 6-8). Most women experience the same level of asthmatic symptoms in all their pregnancies. It is rare to have an asthma attack during delivery (10%). In most cases, symptoms return to "normal" within 3 months after delivery.

The important thing to remember is that your asthma can be controlled during pregnancy. If your asthma is controlled, you have just as much chance of a healthy, normal pregnancy and delivery as a woman who does not have asthma.