<span>During the course of pregnancy, maternal blood volume increases by almost 40-50 % percent.
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<u>Answer:</u>
Approximately 500 - 700 calories.
<u>Explanation:</u>
Sports like basketball burn quite a lot of calories as it requires too much of physical exertion.
But to know exactly how much of the calories are burned while a specific physical activity is carried out somehow depends on the weight of the person and that how vigorously that person has been practicing it.
However, we can estimate about 500 - 700 calories to be burned in an one hour game of basketball.