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What are the best positions for sleep?

by Peg Plumbo

question
I am six months pregnant. I was told that I should sleep only on my side. Does it really matter what position I sleep in?

answer
There is a great deal of misinformation on this topic. Women should sleep and rest in whatever position they are most comfortable.

There are a few exceptions: if a mother is suffering from a high-risk complication such as pre-eclampsia, premature labour or placental insufficiency, which necessitates partial or full bed rest, then the best position for her would be lying on her side. In addition, during labour, uterine contractions have a propensity to cause fluctuations in uterine-placental blood flow. During this time, it is best for the mother to lie on her side. When the heavy uterus rests against the aorta — and blood flow may be already compromised — lying on one's back is not recommended. Perfusion of the blood through the kidneys is optimised when the mother lies on her left side.

However, during regular sleep intervals, it is fine for a mother to lie on her back. During the night, people frequently shift their positions, so it is unlikely that a mother would sleep the entire night flat on her back. Her bladder often necessitates one or more trips to the bathroom anyway.

Even sleeping on your abdomen is quite safe in pregnancy. At some point, this will become uncomfortable. You may need to support an upper leg with pillows and lie more on your side after the beginning of the second trimester.

You should feel that any sleeping position that is comfortable for you is fine during pregnancy. The human female body is uniquely prepared for such positions and they will not put the baby in jeopardy.

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