Maternal education or gestationalage at initiation of supplementation may have contributed to the observed heterogeneous effects on perinatal mortality.
母亲教育程度或开始补充微量营养素时的孕龄这两项指标可能对所观察到的围产期死亡率产生影响。
2
Outcomes of interest were birth weight, low birth weight, small size for gestationalage, perinatal mortality and neonatal mortality.
检索结果中受到关注的是出生体重、低出生体重、小于胎龄儿、围产期死亡率和新生儿死亡率。
3
In the study, the authors examined 20 preterm infants with a mean gestationalage at birth of 29 weeks (range 26-35) and who were otherwise medically stable.