Why Can T You Sleep On Your Back When Pregnant
Camila Farah
How does pregnancy affect sleep.
If you have another child or children to care for you might be even more tired. After 16 weeks of pregnancy sleeping on your back isn t such a good idea. For this reason the study s authors suggest women avoid sleeping on their backs in the last trimester of pregnancy. When you lie on your back the weight of your uterus presses on the major vein that returns blood from your lower body to your heart.
After that you may have heard that studies link sleeping the whole night on your back to stillbirth. That s because your inferior vena cava is on your right. But previous research has suggested that sleeping on your back when you re pregnant may increase the risk of stillbirth as it compresses the mother s major blood vessels and alters the baby s heart rate. When you lie belly up the weight of your uterus can compress a major blood.
So if you wake up on your back try not to worry. The thinking was that if you slept on your right side you could potentially compress the blood flow dr. But your body may have a way of solving the question for you. Here s why your pregnancy sleeping position matters.
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Laying on your right side is fine for quite a while in pregnancy. The effects of back sleeping on body and baby. This also affects the flow of blood and oxygen to your baby. After 16 weeks of pregnancy when you lie on your back your baby presses on the vein that returns blood from your lower body to your heart.
This can cause daytime sleepiness and fatigue. By the third trimester sleeping on your back more than doubles your risk of stillbirth though the risk is still low. Doctors say that when you are close to being in labor or already are in labor the the left side is best but you can sleep on either side for quite a long time in pregnancy. During early pregnancy levels of the hormone progesterone increase and your metabolism is running high.
You won t have done any harm but your body is most likely telling you that it s time to change positions. The general consensus among experts appears to be a qualified no sleeping on your back is not the best position for your or your baby during pregnancy. That s because your baby is pressing on the vein that returns blood from your lower body to your heart. It could also interfere with the flow of blood and nutrients to the placenta and your developing baby.
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Traditionally ob gyns have advised pregnant women to sleep on their left side. Lying on your back for an extended period of time could make you feel dizzy.
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