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由胎儿期至哺乳期体内发生明显变化,掌握新生儿血液成分的正常值,是了解其发育情况和早期发现潜在疾病并给以治疗的基础。新生儿期系指初生至适应独立生活的这段时间,但国际死亡统计则以初生至28天之内为界(0～27天)。主要血清化学成分正常值及其演变规律,见表。按其变化规律可分以下4类。显示特异性变化:总胆红素(T.Bil),初生时脐带血平均1.5mg/dl,以后与日增加至第4日达高峰(5～18mg/dl)后再逐渐下降至接近成人。碱性磷酸酶(ALP)在新生儿脐带血中含量为12K.A.U(金氏单位),生后2个月内急剧升高,平均为28K.A.U。
From fetus to lactation, significant changes occur in the body to grasp the normal blood components of newborns, is to understand their development and early detection of underlying diseases and to be treated basis. Neonatal period refers to the time from birth to accommodation for independent living, but the international death statistics range from birth to 28 days (0-27 days). The main serum chemical composition of normal and its evolution, see table. According to the law of change can be divided into the following four categories. Showed a specific change: total bilirubin (T.Bil), umbilical cord blood at birth an average of 1.5mg / dl, and later increased to the fourth day of the peak (5 ~ 18mg / dl) and then gradually decreased to nearly adult. Alkaline phosphatase (ALP) in neonatal umbilical cord blood content of 12K.A.U (Gold units), rapid increase within 2 months after birth, with an average of 28K.A.U.