Psychology Interview Question:

During the later stages of pregnancy, maternal blood pressure can fall if the woman lies on her back (supine hypotension). This is due to

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* a) A reduction in maternal venous return
* b) A decrease in maternal heart rate because of the uterus pressing on the heart through the diaphragm
* c) Compression of the vena cava
* d) Increased fetal activity associated with discomfort due to compression of the fetus against the maternal vertebral column.

Answer - b
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