低血糖可发生在任何年龄,但在新生儿期更为常见,早产儿发生率约占43‰,明显高于足月儿。新生儿无症状性低血糖较有症状性低血糖多10～20倍,长期反复发作的低血糖可造成永久性脑损害,导致死亡或智力发育不全等后遗症。一、新生儿低血糖的标准:国际上大多采用下列数值为低血糖标准:足月正常体重儿生后72小时内血糖低于30mg/dl,生后72小时以上低于40mg/dl,低出生体重儿低于20mg/dl。 Hypoglycemia can occur at any age but is more common in the neonatal period, with a prevalence of about 43 ‰ in preterm infants, significantly higher than in term infants. Neonatal asymptomatic hypoglycemia more symptomatic hypoglycemia more 10 to 20 times, long-term repeated episodes of hypoglycemia can cause permanent brain damage, leading to death or mental retardation and other sequelae. First, the standard of neonatal hypoglycemia: Most of the international use of the following values ​​for hypoglycemia standards: full-term normal body weight within 72 hours after birth, blood glucose less than 30mg / dl, more than 72 hours after birth less than 40mg / dl, low birth Weight children below 20mg / dl.