胎龄未满34周为早产儿。
不同胎龄新生儿出生体重百分位数曲线。
Percentile Curves for Neonatal Birthweight for Gestational Age.
血糖与胎龄、新生儿体重也有相应的关系。
胎龄22天胎兔背部皮肤已有神经纤维支配。
The skin nerve fibers were detected in the fetal rabbits at 22 days gestation.
但随胎龄、日龄、奶量增加而升高，呈正相关。
But there were positive correlation with gestation age, day age and the volume of mile.
胎儿腕关节软骨板中的血管随胎龄增加而减少。
The number of the blood vessels in the articular disc will decrease with the age of the fetus.
结论胎龄是影响NEC发生率和存活率的重要因素。
Conclusion Gestational age is the major factor affecting the incidence and survival rate of NEC.
细胞密度胚胎早期升高，以后随胎龄增长逐渐下降。
The density of GH cell increased in early embryo and decreased gradually with fetal ages in late embryo.
弓状动脉平均直径及管壁平均厚度随胎龄增大而增大。
The mean sectional diameters and thickness of arch artery increased with fetal development.
此为一胎龄31周的早产儿生后2周，呈蛙腿式姿势。
Frogleg position in a preterm infant of 31 weeks gestation, 2 weeks after birth.
胎龄13天是小鼠角膜成纤维细胞合成复合糖的起始时间。
The embryonic day 13 was the starting day to synthesize glycoconjugates from fibroblasts of mouse cornea.
GH细胞密度，胚胎早期升高，晚期随胎龄增长逐渐下降。
The density of GH-cells increases in early embryo and decreases gradually with fetal ages in late embryo.
结论胎龄越小、PN热卡摄入量越高，越容易发生PNAC。
Conclusions the incidence of PNAC was associated with the gestational age and calorie intake of PN.
胎龄30,35周的股骨近端均未发现组织学上的骨化中心。
There were no similar structure of ossification center in proximal femur in fetus age of 30 and 35 weeks.
本研究认为，胎龄20周以上即可获得颅内主要动脉的检测数据。
The data of major intracranial artery could be detected out when gestational age over 20 weeks.
目的探讨桂西地区小于胎龄儿（SGA）发生率及围生相关因素。
Objective To investigate the incidence of small for gestational age (SGA) and the perinatal correlation factors in western Guangxi.
用放射免疫方法测定了不同胎龄胎儿胃肠道P物质和胃动素的含量。
Substance P(SP)and motilin were determined in all layer of various gut regions in developing human fetuses.
结论：早产儿矫正胎龄足月后脑干听觉功能和外周听阈无显著相关。
Conclusions: Brainstem auditory function does not closely correlate with peripheral auditory threshold at term in preterm infants.
目的探讨大于胎龄儿（LGA）血脂联素水平变化及其对新生儿的影响。
Objective To explore the levels of cord plasma adiponectin in birth weight large for gestational age(LGA) and its clinical significance.
通过采用机械分离和消化分离相结合的方法分离不同胎龄大鼠脑NSC。
Methods NSCs of different fetal age rats were isolated and cultured through the combination of mechanical and pancreatin digestant isolation.
皮质中束状带细胞合成活动随胎龄增加而加强，在分娩时合成能力旺盛。
The synthetic activities of the cells in zona fasciculata increased with the fetal development, and the synthetic function was strong at delivery.
目的探讨产科因素及孕母文化程度与小于胎龄儿（SGA）之间的关系。
Objective Previous studies suggested that a number of obstetrical factors were associated with small-for-gestational-age (SGA) infant.
随着胎龄的增加，微丝束、透明角质颗粒、核蛋白体增加，糖原逐渐减少。
The microfilament, ribosomes an keratohyalin granules increased and the glycogen decreased as the fetus developed.
各足骨骨化灶范围随胎龄的增加而增大，骨化值与受精龄呈显著的正直线相关。
The range of the foot bone ossification sites increased with the fetal age, and there was an obvious positive linear correlation between the ossification degrees and the conceptional age.
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。
Outcomes of interest were birth weight, low birth weight, small size for gestational age, perinatal mortality and neonatal mortality.
目的观测不同胎龄胎心三尖瓣复合体的形态结构，为心脏研究和临床应用积累资料。
To observe the anatomical structures of tricuspid complex of different-month fetal hearts in order to accumulate data for heart study and clinical utilization.
目的：探讨胎儿骨骺中心与胎龄的关系，为预测胎龄及胎儿成熟度提供可靠的依据。
Objective: To study the relationship between fetal epiphyseal core and fetal age and maturity.
结果胎龄第17天，小鼠胃窦部出现G细胞，第18天在胃窦和胃体部均可见D细胞。
Results G cells were found in gastric antrum at ED17, and D cells were found both in antrum and in the body at ED18.
医学专家认为正常胎龄应不少于37周，那些胎龄在34至37周之间的婴儿为晚期早产儿。
Health experts consider babies born at or after 37 weeks' gestation to be full term, and those born between 34 weeks and 37 weeks to be late preterm.
结果显示：锥体层神经细胞密度随胎龄增长呈非直线型下降，尤以6月龄组下降最为明显；
It was showed that the neuron density during the growing period of human fetus decreased as the illinear form, especially 6 month.
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