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Fatigue during the first trimester of pregnancy.

Fatigue is accepted as an early symptom of pregnancy. Fatigue may be due to energy depletion resulting from the physiologic and psychological changes occurring during the first trimester. The following changes are considered: oxygen consumption; fetal growth and development; cardiovascular, respiratory, urinary tract, metabolic, and psychological processes. The goals of nursing therapy for first-trimester fatigue are to help the woman cope with the distress caused by the fatigue and to help minimize or alleviate the fatigue to the degree that is possible. The nursing therapy should include sharing information about the nature of the fatigue, developing an activity-rest program, and sharing information aimed at alleviation of psychological stresses.