Postterm infant
Postterm infant N I CU
2、 birth weigh(出生体重) normal birth weigh 2500-3999 low birth weigh(LB W): <2500g very low birth weigh(VLBW): <1500g extremely low birth weigh (ELBW): <1000g macrosomia ≥4000克
２、birth weigh (出生体重) normal birth weigh： 2500-3999g low birth weigh(LBW): <2500g very low birth weigh(VLBW): <1500g extremely low birth weigh(ELBW): < 1000g macrosomia： 4000克 N I CU
ELBw(超低出生体重儿)
ELBW (超低出生体重儿) N I CU
3, relation of birth weigh and gestational age Appropriate for gestational age (Aga). 10-90 percentage Small for gestational age (SGA).<10 percentage Large for gestational age (lga):> 90 percentage
３、relation of birth weigh and gestational age Appropriate for gestational age (AGA)： 10－90 percentage Small for gestational age (SGA)：< 10 percentage Large for gestational age (LGA)：> 90 percentage N I CU
Curve of growth in fetus 5000 4750 第90百分 4500 4000 平均体重 3750 3500 3250 要中长 第10百分位 3000 2750 2500 2000 1750 1500 1250 1000 750 500 24262830323436384042444648(周)
Curve of growth in fetus 500 750 24 26 28 30 32 34 36 38 40 42 44 46 48 （周） 1000 1250 1500 1750 2000 2250 2750 3000 3500 3750 2500 4000 4250 4500 4750 5000 3250 小于胎龄 第10百分位 适于胎龄 平均体重 大于胎龄 第90百分位 N I CU