During the second and third trimesters of pregnancy, an average of ______ extra kilocalories per day are needed. 150 - 250 250 - 350 350 - 450 450 - 550

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The answer is 350-450.
During the second and 3rd trimester of pregnancy, an average of three-fifty to four-fifty extra kilocalories per day is needed. Pregnancy lasts about forty weeks, estimating from the 1st day of your last normal period. The weeks are grouped into three trimesters.
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