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分娩期新生儿脐带血清甲状腺球蛋白(Tg)值比早产儿明显减少,但比成人或产妇高。新生儿期观察到 Tg 值比早产儿低,提示在脐带 Tg 值和伴随出生体重增加而发生的身体组成的改变两者之间存在某种关系的可能性。为了验证这一假说,测定了新生儿脐带血清 TSH 和 Tg 值及其与出生体重和性别的关系。也测定了游离 T_3指数、游离T_4指数和(或)总 T_4值。
The neonatal umbilical cord serum thyroglobulin (Tg) value during childbirth was significantly lower than that of premature children, but higher than that of adults or mothers. The observed Tg in the neonatal period is lower than in preterm infants, suggesting the possibility of a relationship between the umbilical cord Tg and changes in body composition that occur with birth weight gain. To test this hypothesis, the neonatal umbilical cord serum TSH and Tg values and their relationship to birth weight and sex were determined. The free T 3 index, the free T 4 index and / or the total T 4 value were also determined.