Iodine deficiency during pregnancy not only results in brain damage to the fetus, but also in low birth weight, prematurity and increased perinatal and infant mortality.
妊娠期缺碘不仅导致胎儿脑损伤，而且导致低出生体重、早产以及围产期和婴儿死亡率增加。
Objective:To investigate the incidence and risk factors of retinopathy of prematurity (ROP) in very low birth weight infants(VLBW).
目的：探讨极低出生体重儿（ VL BW）早产儿视网膜病（ ROP）的患病率、高危因素。
Risk factors including the prematurity, low birth weight, immature intestinal immune function and poor motility, and bacterial infection bad been associated with the development of NEC.
胎龄小、体重低、胃肠道动力功能差及局部免疫应答能力低下、感染仍是NEC发病重要的影响因素。
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