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Stay in Control with Asthma in Pregnancy
By Kathleen MacNaughton, R.N
Asthma and pregnancy may not seem like a winning combination to an expectant mother. Don’t worry, though. If you have asthma and are thinking of becoming pregnant or just found out that you are expecting, rest assured. If you continue to manage your asthma well, there is no reason that asthma in pregnancy will keep you from having a normal, healthy baby.

However, asthma during pregnancy can cause serious complications – for both you and your infant – if it is not controlled properly. So, it’s important that you take a proactive approach to your asthma and your pregnancy, so that everyone stays healthy.

How Pregnancy Can Affect Asthma
The effect of pregnancy on asthma is kind of unpredictable. Studies have shown that slightly over a third of women will have their asthma symptoms worsen during pregnancy. Another third will stay the same, and slightly under a third of women will actually experience improvement in their asthma in pregnancy. There is no way to know which will happen to you, so the important thing is to work closely with your allergy specialist to keep things under control throughout your pregnancy.

Experts aren’t sure why some women’s asthma symptoms get worse. But typically, if things do get worse, it’s during the end of the second trimester or beginning of the third trimester. The increase in symptoms could be because as the baby grows, the womb presses on the diaphragm, making breathing more difficult. Or, the compaction in the abdominal area may lead to gastroesophagel reflux (GERD for short), which can worsen asthma symptoms. Stress may also play a role.

We don’t know why some women feel better with their asthma in pregnancy, either. But experts theorize that it might have to do with an increase in the hormone cortisol that occurs during pregnancy.

The good news is that if you’ve been pregnant before, then you probably know what to expect in the future with pregnancy and asthma, because it’s usually the same each time. Also, no matter what happens during your pregnancy, don’t worry too much about having a safe delivery – as long as you’ve kept your asthma under control. Only about 1 in 10 women have asthma symptoms during labor and delivery.

How Asthma Can Affect Pregnancy
If asthma is well–controlled, it shouldn’t affect your pregnancy. But, if asthma during pregnancy is not kept under control, then high blood pressure and a condition called pre–eclampsia could result. Pre–eclampsia causes fluid retention and leaking of protein into the urine, which can lead to a number of health problems. Although usually the woman will recover after the delivery, her condition could progress to seizures, which can threaten both mom and baby’s lives.

How Asthma Can Affect Your Unborn Baby
Again, as long as your asthma is under control, your baby will not be affected by it. However, if your asthma is poorly controlled, you will likely have less oxygen in your blood. And, since your baby receives oxygen from you, this could mean your baby is not getting enough oxygen. Lack of oxygen can affect fetal growth and development, because fetuses require a constant supply of oxygen and nutrients in order to thrive.

Keep You & Baby Healthy by Staying in Control with Asthma
As you can see, keeping your asthma in pregnancy under control is the key to mother and baby’s health. Since control is a realistic goal for most asthmatics, there is no reason why this should not be possible for most pregnant women too. Here are the steps you need to take to stay in control of asthma during pregnancy: Keep working to avoid your triggers. Avoiding your known asthma triggers in your environment is always the best way to keep from having asthma attacks or allergy flare–ups. But it’s also one of the most challenging ways for most people. Still, any progress you make along these lines will help with control and may also mean you’ll need to take less medicine.

As mentioned earlier, very few pregnant asthmatic women have difficulty with asthma symptoms or asthma attacks during labor and delivery. But just in case, it’s a good idea to have an up–to–date Asthma Action Plan to guide you and your healthcare team, so that quick action can be taken. It’s also important that fetal monitoring be done during labor. For low–risk moms with good asthma control, 20 minutes of electronic fetal monitoring right after you get to the hospital in labor is usually sufficient.

Asthma’s Effect on Your Newborn Infant
Many new mothers have concerns about whether breastfeeding is safe for their babies, considering they are taking medication. Breastfeeding has many benefits for both you and your baby, both physically and emotionally. Medicines can be passed from mother to baby through breast milk. But there has been no evidence that asthma or allergy medicines are harmful to a nursing infant. So, in most cases, the same medicines that can be taken safely during pregnancy can also be used when nursing. Check with your allergist if you have any concerns, however.

Also, if you can, schedule your medications to be taken at least 15 minutes after you nurse your baby and 3 to 4 hours before the next feeding to lower any risk even further.

New mothers may also worry that they have passed asthma on to their babies. This is actually a valid concern, as one of the main risk factors for developing asthma in children is having a parent with asthma, especially with first–born babies. But you can take measures to help protect your child, such as: And remember, it is not certain that your infant will have asthma, just because you do. Although the risk is high, it is not inevitable. But because it is possible, you should be alert for the early signs that breathing problems are in store. That way, you can have your baby checked out by your pediatrician early on, so that any issues can be dealt with.

In Summary
Pregnancy can be a joyous time for the expectant mother. But it can also be an anxious time, if you worry that everything you do might harm your fetus. The good news is that asthma in pregnancy, as long as you stay in control, should cause little reason to worry. With good medical care and a solid asthma management plan, you and your baby should be able to stay healthy during your pregnancy and beyond.