胎龄

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 .

结果：在正常胎儿中，随胎龄的增长，二、三尖瓣的E峰、E／A、TI、SV都增加，A峰无显著变化，E＜A。

Results : In normal fetuses , trans-mitral as well as trans-tricuspid E ,, E / A , TI and SV increased significantly with advancing gestational age . Peak A did not change significantly .

结果：MRI检测结果：胎龄7个月+的81%股骨远端出现骨化中心征象，骨化中心始于偏心位。

Results : In MRI group , 81 % in 7 months group displayed ossification center .

新生儿脐血维生素K缺乏诱导蛋白与胎龄及地区的关系

The relationship between neonatal umbilical cord serum protein induced by vitamin K absence level and different gestational ages and regions

方法：取SD大鼠不同胎龄或相同胎龄不同部位脑组织进行神经干细胞培养。

Methods : The cells isolated from different fetal age and different site were cultured in serum-free medium .

不同胎龄的胎儿和少儿皮肤中bax，bcl-2和p53基因表达的变化

Characteristics of bax , bcl-2 and p53 gene expression in children and fetal skin at different developmental stages

目的：观察不同胎龄胎儿脊髓神经丝蛋白（NF）阳性神经元的形态、分布和发育变化，为脊髓-脊髓移植选择适宜的胎龄提供形态学依据。

Objective : To observe the shape and distribution of NF-like neurons in human fetal spinal cord .

小于胎龄儿追赶生长在3个月内，SDS值低于中位数。

The catch up growth of SGA was within 3 months . SDS was below median .

各胎龄视皮质SP层内均有NPY－IR神经元分布。

NPY & IR neurons were distributed in the SP of the VC of all age fetuses .

结果：脐血丙二醛与黄嘌呤氧化酶、脐血气pH、氧分压、二氧化碳分压、碱剩余、Apgar5分钟评分以及胎龄等各项指标有显著的相关性。

Results : Highly significant correlations were observed between malondialdehyde and xanthine oxidase umbilical pH Pco2 Po2 base excess gestational age and Apgar score at 5 min.

随着胎龄增大，SS阳性神经元由深到浅依次出现于皮质各层内。

Gradually , SS-IR neurons appeared gradually from deep to superficial layere with the increasing of gestation age .

[方法]从胎龄14～16天的Wistar大鼠脑组织分离、培养获得神经干细胞；

Methods Neural stem cells was dissociated and cultured from 14 ~ 16 days old embryonic Wistar rat brain tissue .

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 .

随着胎龄的增加，NOS染色反应逐渐增强，至第9个月龄时达到阳性表达的高峰。

With the fetal age increased , staining reaction of NOS increased gradually and reached its peak at the ninth month .

用免疫组织化学法，在冰冻切片上观察了不同胎龄组肝内前b细胞的形态、分布及其分化为b细胞过程中抗原的变化。

The morphology and distribution of pre-B cells and the changes of antigens during the differentiation from pre-B to B cells in fetal livers of different gestational ages were studied by means of immunohistochemical technique .

结果BALF中总蛋白浓度从胎龄第10周开始随胚肺发育逐渐升高至出生时的高峰。

Results The total protein in BALF gradually increased since10th week to newborn peak during lung development .

GH免疫反应阳性细胞的数目随胎龄增长逐渐增多，且向垂体前叶的中央延伸。

The mumber of GH-cells increases gradually with fetal ages , GH-cells extend to the centre of the anterior pituitary gland .

结果：TGF-β1、EGF在人胎儿不同胎龄晶状体上皮细胞均有表达。

Results : The expression of TGF β 1 and EGF in LECs of different fetal ages were found in this experiment .

妊娠晚期人类小DNA病毒B19感染情况，母婴传播及与早产或小于胎龄儿关系的研究

A study on infection with human parvovirus B19 during the third trimester of pregnancy and its possible relation to prematurity or small for gestational age infants

微小病毒B19宫内感染与早产儿、足月小于胎龄儿的相关研究

Relationship between human parvovirus B19 intrauterine infection and premature infant and full term small gestational age

小于胎龄儿大鼠ghrelin水平变化及其与GH/IGF-1生长轴的关系

Ghrelin Level Variation and Its Relation with GH / IGF-1 Growth Axis in Small for Gestational Age Rats

结果：FSHbinding、LHbinding、LHR阳性表达最早出现于20周的胎儿卵巢，随着胎龄增加，其阳性表达逐渐增高、增强；

Results : The positive expression of FSH binding 、 LH binding and LHR of fetal ovaries were detected only after 20 weeks gestational age .

统计46例山羊胎儿分离培养原始生殖细胞情况，胎龄在25~38d的胎儿原代培养时都可获得大量的细胞集落，适合做EG细胞的分离培养，最高传至6代。

The primordial germ cells were isolated from 46 goat fetuses embryonic age from 25 to 38 days , there were so many colonies in primary culture .

脐动脉血流PI值异常组中围产儿预后不良的发生率显著高于正常组，其中异常组中小于胎龄儿的发生率显著高于正常组（P<0.05）。

The rates of adverse perinatal outcome , SGA in abnormal umbilical artery PI group were significantly higher than those in normal umbilical artery PI group ( P < 0.05 ) .

方法选用胎龄14～16d的SD胎鼠的大脑皮层细胞进行原代培养，建立缺氧复氧（H/R）神经元损伤模型。

Methods Primarily cultured E-14-16 day fetal rat cortical neurons were used to establish the H / R injury model .

方法将38例需经鼻胃管喂养的健康早产适于胎龄儿，随机分为非营养性吸吮（NNS）组和对照组。

Methods Thirty-eight healthy premature infants were randomly divided into NNS and control group .

早产适于胎龄儿追赶生长在生后12个月内，高峰时间是生后8个月，出生5月后SDS值接近中位数。

The catch up growth velocity of AGA was within 12 months . The peak was in 8 month . SDS was approaching median after 5 month old .

方法：用免疫细胞化学ABC法系统地观察了人类4-8个月胎龄垂体生长素细胞的发育。

Method : The development of growth hormone cells in 4-8 months human fetal pituitary was systematically observed with the immunocytochemistry Avidin-Biotin-peroxidase Complex ( ABC ) method in this experiment .

目的了解胎儿营养不良（FM）发生情况、影响因素及与小于胎龄儿（SGA）的关系。

Objective To investigate the incidence of fetal malnutrition ( FM ), its affected factors and their relationship with small-for gestational-age ( SGA ) fetus .

目的探讨早产儿血清甲状腺激素（T3、T4）水平与胎龄、出生体重的关系。

Objective To investigate relationship of thyroid hormones ( T 3 , T 4 ) to gestational age and birth weight in preterm infants .