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近来纷纷报道妊娠期母亲服用大麻和可卡因后可影响胎儿出生时的生长发育。一般认为婴儿身体脂肪皱襞厚度(mm)和上肢脂肪分布范围的大小(cm~2)能反映婴儿的能量储备;婴儿身体无脂区,(lean body mass)如手臂肌肉的平均周经(cm)和无脂区面积(cm~2)反映了婴儿的蛋白质储备。婴儿身体各部位的比例,如臂围与头围之比和体重指数(ponderal index)表明了新生儿的营养状态、产前应激的时机、新生儿的预后和各种并发症。
Recently, it has been reported that mothers taking marijuana and cocaine during pregnancy may affect the growth and development of the fetus at birth. It is generally accepted that infant’s body fat folds thickness (mm) and upper limb fat size range (cm ~ 2) reflect infant’s energy reserve; infant body mass, such as average perioral (cm) And fat free area (cm ~ 2) reflect the infant’s protein reserves. The proportions of various parts of the baby’s body, such as the ratio of arm circumference to head circumference and the ponderal index, indicate the nutritional status of the newborn, the timing of prenatal stress, the prognosis of the newborn, and various complications.