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叶酸是细胞核合成DNA的必需物质,在小儿的生长发育阶段起着很重要的作用。国内目前尚无新生儿血清游离叶酸的正常值,为此我们于1991年4～6月对在我院产科出生的健康新生儿进行测定。材料和方法一、对象77例健康新生儿,孕母年龄21～35岁,妊娠37～42周,均为顺产,产前均未补充叶酸,无服用抗癫痫、抗结核、抗癌和某些利尿药史。新生儿出生后1分钟Apgar评分>7分。二、血样的收集与处理新生儿娩出后取中间脐血2ml,以3000r/min离心4＇分离血清,置-25℃冰箱备
Folic acid is an essential material for DNA synthesis in the nucleus and plays a very important role in the growth and development of children. At present, there is no normal serum level of free folate in newborns. To this end, we measured the healthy newborns born in obstetrics and gynecology in our hospital from April to June in 1991. Materials and methods First, the object of 77 healthy newborns, pregnant mothers aged 21 to 35 years old, 37 to 42 weeks of gestation, all of the natural delivery, prenatal no folic acid supplementation, no anti-epilepsy, anti-TB, anti-cancer and some Diuretic history. Apgar score> 7 points 1 minute after birth. Second, the collection and treatment of blood samples After the delivery of newborns take the middle of 2ml cord blood, centrifuged at 3000r / min 4 ’serum, set -25 ℃ refrigerator