These studies do have some flaws, though. Third trimester pregnancy loss is very uncommon. It can be challenging to pinpoint what is occurring in utero without monitoring. The study did find, however, that there was an increased risk of stillbirth for back sleepers after 28 weeks. A study of about women for up to 30 weeks of pregnancy examined the sleeping positions of those who experienced stillbirths. The researchers found no association between those who reported sleeping on their back or a non-left side sleeping position.
Currently, only a limited number of studies are available on this topic. More research is needed to be certain whether or not there is an association between stillbirths and sleeping positions up to 30 weeks of pregnancy. Positioning yourself on the left side of your body allows for optimal blood flow from the inferior vena cava IVC. This large vein runs parallel to your spine on the right side and carries blood to your heart and, in turn, to your baby.
Sleeping on your left side also takes the pressure off your liver and your kidneys. This means more room to function properly, helping with swelling issues in your hands, ankles, and feet.
That review showed equal safety with sleeping on the left and right sides. You may have heard that your sleep side indicates the sex of your baby. This is just an urban legend. There are no studies to suggest that sleep position has any correlation to the sex of your baby. Sleeping in any position is generally fine early on. But if you want to get into the habit of favoring your side, try simply slipping a pillow between your legs. This may ease discomfort in your hips and lower body.
If yours is too soft, you might consider slipping a board between your mattress and box spring. Page last reviewed: 18 September Next review due: 18 September Read our cookies policy to find out more about our cookies and how we use them.
Why you should sleep on your side during pregnancy. Your sleep pattern may change when you become pregnant. You may find you're: sleeping for longer than before finding it difficult to fall asleep having strange dreams about the baby or the birth This is all normal.
Sleeping on your stomach: When you are farther along in your pregnancy, your breasts become more tender and your abdomen continues to grow, both making sleeping on your tummy uncomfortable.
Using a donut-shaped pillow with a hole in the middle may help you sleep comfortably on your stomach. During pregnancy, you may find yourself wrestling in bed trying to get comfortable before falling asleep. When you are pregnant your body goes through a variety of changes causing your regular sleeping positions to no longer work for you.
Curtis, Glade B. Week Best Sleeping Positions During Pregnancy. If you are experiencing heartburn during the night, you may want to try propping your upper body with pillows. In late pregnancy, you may experience shortness of breath.
Try lying on your side or propped up with pillows. Reasons for your discomfort may include: During pregnancy, you may find yourself wrestling in bed trying to get comfortable before falling asleep. Stress can interfere with sleep, too. Maybe you're worried about your baby's health, anxious about your abilities as a parent, or feeling nervous about the delivery itself.
All of these feelings are normal, but they might keep you and your partner up at night. Early in your pregnancy, try to get into the habit of sleeping on your side. Lying on your side with your knees bent is likely to be the most comfortable position as your pregnancy progresses.
It also makes your heart's job easier because it keeps the baby's weight from applying pressure to the large vein called the inferior vena cava that carries blood back to the heart from your feet and legs. Some doctors specifically recommend that pregnant women sleep on the left side.
Because your liver is on the right side of your abdomen, lying on your left side helps keep the uterus off that large organ. Sleeping on the left side also improves circulation to the heart and allows for the best blood flow to the fetus, uterus, and kidneys. Ask your doctor what he or she recommends. But don't drive yourself crazy worrying that you might roll over onto your back during the night. Shifting positions is a natural part of sleeping that you can't control. Most likely, during the third trimester of your pregnancy, your body won't shift into the back-sleeping position anyway because it will be too uncomfortable.
If you do shift onto your back, the discomfort will probably wake you up. Talk to your doctor, who may suggest that you use a pillow to keep yourself propped up on one side. Try experimenting with pillows to discover a comfortable sleeping position.
Some women find that it helps to place a pillow under their abdomen or between their legs.
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