Running Preggers: To Breathe or not to Breathe

Remember how great it feels to pull in the fresh air of the mountains until your ribs are at their limit and then to let it out slow just because you can and your lung capacity is impressive as a runner. Well, if you’re in your third trimester of pregnancy (28-40 weeks), you’re missing that ability and those impressive lungs.

Having reached the third trimester, you can see the finish line (even if you’re not ready for it) and you’ll be able to realize those breathing dreams once again and even baby will be expanding their lungs as yours reclaim their glory.

As your uterus grows to it’s max, it pushes on your diaphragm which shifts upwards about 4 centimeters. This also compresses your lungs a bit. This combination means you are not taking in as much air with each breath. To compensate you breathe more slowly. Wait that doesn’t make sense…

The hormone progesterone stimulates your respiratory center in your brain so the air your breath in stays in your lungs longer allowing you to get as much oxygen out of it as you can. There are a few things you can do to help with this feeling of being out of breath all the time.

First, good posture. Make sure your sitting and standing straight. If your hunched over when sitting it’s going to compress your diaphragm and lungs more (and it may keep baby turned sunny side up which is not the optimal position for birth).

Second, keep running and/or exercising. You may have to slow down to compensate for your cramped internal organs. Pregnancy isn’t the time to hit a new personal record anyway. Mostly you want to maintain your fitness level or lose as little as possible. Yoga also helps with it’s use of the breath during poses and it’s breathing exercises.

Third, relax and don’t over do it. Being hyper-vigilant about your breathing is only going to make things worse. Take time to relax each day even if it’s only for ten minutes.

Fourth, if your having trouble with breathing because of congestion try using a humidifier at night. Exercise will also help break up the mucus.

Take heart, your baby is almost ready to be held in your arms rather than in your belly. As baby gets into position to be born, she will drop into your pelvis and you may find it’s easier to breath. This is also called lightening. It usually happens two to four weeks before delivery. If this is not your first child, baby may not drop until right before delivery. As nice as this lightening is on your lungs and diaphragm, it’s not so great for your bladder.

Weekly Miles: My running is very inconsistent at this point. I run on days I feel good and it’s comfortable to run. Other days, baby’s position makes it very uncomfortable. I don’t really track miles. I’m just happy when I’m able to do a little run. Thirty-eight weeks and counting.

One thought on “Running Preggers: To Breathe or not to Breathe

  1. Elaine Marie Totten April 26, 2018 / 3:09 pm

    I’m so excited for you!!! Thanks for sharing your journey.

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