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目的探讨母孕期维生素D水平与婴儿体格生长的相关性。方法检测孕晚期孕妇血清和新生儿脐血的25-(OH)D;并测量出生时、3、6、8月龄婴儿的体格生长指标及3、6、8月龄胫骨超声骨强度。结果 223例孕母血清25-(OH)D水平为(50.7±18.5)nmol/L,与婴儿体格生长指标无相关性;孕母与新生儿25-(OH)D水平呈正相关,并存在季节差异。结论孕期维生素D水平与婴儿体格生长无相关性。
Objective To explore the correlation between the level of vitamin D during pregnancy and the physical growth of infants. Methods The 25- (OH) D of pregnant women’s serum and newborn’s umbilical blood were detected during the third trimester of pregnancy. The growth indexes of infants at 3, 6, 8 months old and the tibial ultrasonic bone strength at 3, 6 and 8 months were measured. Results The serum level of 25- (OH) D in 223 pregnant women was (50.7 ± 18.5) nmol / L, which was not related to the growth of infants. The positive rate of 25- (OH) D in pregnant women was positively correlated with that of newborns difference. Conclusion There is no correlation between the level of vitamin D during pregnancy and physical growth of infants.