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HomeHEALTHWhy pregnant women shouldn’t sleep on their backs after first trimester –Physicians

Why pregnant women shouldn’t sleep on their backs after first trimester –Physicians



preg women rest on back

Specialists in maternal health have cautioned pregnant women against sleeping on their backs after the first trimester, noting that such a sleeping position could collapse the veins supplying blood to the vital organs of the body and have adverse effects on the woman.

According to the experts, sleeping on the back for pregnant women after the first trimester is not only an uncomfortable position but might also lead to a shortage of blood to the brain, heart, and shortage of blood to the baby itself, especially when the woman is in that position for a very long time.

The physicians pointed out that the ideal sleeping position for pregnant women during the second and third trimesters is the left side to avoid the weight of the womb and the baby pressing on the blood vessels.

Speaking in an exclusive interview with PUNCH Healthwise, an Associate Professor and Consultant Obstetrician and Gynaecologist at the University of Nigeria Teaching Hospital, Ituku/Ozalla, Enugu State, Dr. Uche Agu, said it was important for women to avoid sleeping facing up.

This, he said, was because the woman might be having a fainting attack owing to the collapse of major veins supplying blood to the heart and brain.

The gynaecologist said, “When a woman is pregnant, sleeping position is important considering the placement of the blood vessels on the spines at the back.

“The relationship of the blood vessels to the spines is quite close to the back.

“Now, the vein that returns blood to the heart and the brain is just already lined on that spine while the artery is also beside it.

“When a woman is pregnant, the womb is enlarged and because of the size of the womb, if the woman lies on her back, that womb presses on those blood vessels.

“And the one it can press more is the vein and the vein can collapse. The vein is collapsible, particularly the one that returns blood to the brain and the heart. That one can collapse easily.”

Continuing, Agu said poor blood supply to the heart and brain makes the woman dizzy, and sweaty and could make her feel like vomiting.

“If it is the artery, the artery can still pump. But if the womb rests on the major vein that pumps blood to the heart and brain, it can collapse and if it collapses, there will be reduced blood to the brain and heart.

“And the woman will be having a fainting attack. She will be feeling dizzy and sweaty. The woman might vomit and she may even die if she stays in that position for a long time.

“If a pregnant woman lies on her back for a long time, like for some minutes, she will start sweating, feeling dizzy because the blood supply to the brain has been reduced.

“This is because that womb is pressing on that major vein, collapsing it and forcing the blood to return to the heart and the brain.

“When blood returns to the heart, the heart pumps it to the lungs and the lungs now pump it to the brain. The blood returning is reduced drastically and that is what makes the woman feel like that. And if that position persists, it can cause death,” he explained.

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