Key result
Pregnant uterus linked to symptomatic abdominal aorta compression, relievable by avoiding supine and prone positions.
Observational
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Symptoms of aortic compression by the pregnant uterus can be relieved by avoiding supine and prone positions.
The pregnant uterus was found to exert pressure upon the lumbar region with a maximum over the midline of the lordosis and diminishing laterally. Those parts of the arterial system formed by the aorta and its dorsal branches and displaceable at autopsy, were accordingly dislodged by the uterus, whereas the fixed parts were compressed. The pressure effects extended cranially during pregnancy. Symptoms of compression can be relieved by avoiding supine and prone positions.
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Lars Ohlson (1978) conducted an observational in Pregnancy. Pregnant uterus was evaluated on Pressure effects on the abdominal aorta and its branches. The pregnant uterus exerts pressure on the abdominal aorta and its branches, compressing fixed parts, with symptoms relievable by avoiding supine and prone positions.
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