婴儿现在已经脱离了胚胎阶段进入了胎儿期。
第八周结束标志着“胚胎期”的结束和“胎儿期”的开始。
The end of the eighth week marks the end of the "embryonic period" and the beginning of the "fetal period".
本试验对湖羊胎儿期与生后期卵巢的发育进行了系统观测。
Systematic anatomical and histological observation were made of development of the ovary, both in the foetal and post-natal stages, of the Hulambs.
超声显像：它可展示肾盂及肾盏的扩大程度，及可在胎儿期诊断肾积水。
Ultrasonography — This will reveal the degree of dilatation of the renal pelvis and calices and allows for diagnosis of hydronephrosis in the prenatal period.
重复暴露组与胎儿期暴露结果相近，成长期再次暴露的影响无统计学意义。
The repeative exposure group had a similar result with the prenatal group. The influence of exposure after growing had no meanings in statistics.
甲胎蛋白是癌胚蛋白，其浓度的高低反映了肝脏损害的程度(除胎儿期外)。
AFP is an carcinoma embryo protein, and its concentration (except in embryo phase) indicates the degree of liver injury.
初级毛囊的发育在胎儿期135日龄时已完成，而次级毛囊发育直至出生后6月龄。
All primary follicles matured at the age of 135 days in the foetal period and secondary follicles developed until 6 months after birth.
一位研究人员指出，你在亲吻爱人时多半会把头转向右侧，这是一种胎儿期偏好的影响。
When you kiss your sweetheart you may well turn your head to the right, echoing a preference born in the womb, a researcher suggests.
同时也发现，胎儿期暴露于环境香烟烟气中，可能对大脑发育产生毒性作用，并且引起新生儿猝死综合征。
The perinatal exposure to environmental cigarette smoke may develop toxic effects on brain development and incurs events like Sudden Infant Death Syndrome.
目的：探讨胎儿期心内膜垫缺损(ECD)的超声特征，分析诊断中存在的问题，以提高其产前超声诊断率。
Objective To evaluate the sonographic feature of endocardial cushion defect (ECD) in fetus, also analyze the problems and improve diagnostic ratio of this kind of defects.
本研究表明，人胎儿期气管上皮细胞内有IAPP的表达；且IAPP - IR细胞随胎期的发育而发生变化。
The results indicated that the IAPP was expressed in the trachea epithelium of human fetus and the IAPP-IR cells varied along with the development of fetus.
提示IGF-1／IGFBP-3水平降低与胎儿期体格生长无关； 中义摘要可能与患儿生后生长发育迟缓有关；
This indicated that the lower IGF-1 and IGFBP-3 levels had no relation with fetal growth, may have relation with the growth retardation after birth.
最常见的神经管缺陷是脊柱裂，它是指胎儿期脊髓没有被完全封闭，和无脑畸形，它指部分或全部脑组织没有发育。
The most common neural tube defects are spina bifida, in which the spin al cord fails to close completely during fetal development, and anencephaly, in which part or all of the brain doesn't develop.
我们的研究提示健康的饮食应该始于胎儿期。在以前甚至延后到学龄期，主张给儿童提供更好的学校饮食就是最好了。
Our research suggests that healthy eating habits should start during the foetal life of an individual, before they even reach school age.
主要负责这项研究的琳达博士说，“在怀孕期间，孕妇进行规律的锻炼，是在胎儿期就进行的最早的锻炼，它有助于提高孩子的心血管健康。”
'A regular exercise programme during pregnancy may be the earliest intervention to improve cardiovascular health, ' says Dr Linda, who led the study.
研究人员称，手指长度比例可反映胎儿期所受雄性激素刺激的水平，尽管可从这一比例中预测人们是否适合从事需要冒风险及迅速反应的高强度金融交易工作。
While the finger ratio, showing fetal exposure to male hormones, appears to signal likely success in high-actively trading that calls for risk-taking and quick reactions.
研究人员们就此作出结论，胎儿可以学习并记忆并且这种能力可以持续到新生儿期(出生后)。
The researchers concluded that fetal life is able to learn and memorize with this capacity lasting into neonatal life (post-birth).
根据美国食品药品管理局（FDA）的妊娠期用药安全评级系统（共五级，link），绝大多数精神病类药物对胎儿存在潜在危险。
According to the FDA's letter-grade system for drug safety during pregnancy, most psychotropic drugs pose a potential risk to the fetus.
在整个妊娠期，母亲流感对胎儿的危险是同样严重的。
The risk of maternal influenza to the fetus is the same throughout pregnancy.
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。
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.
总体看来，这些结论表明胎儿糖皮质激素受体基因的甲基化是由于母亲压力过大引起的，并且其影响将会持续到青春期。
Taken together, these results suggest that glucocorticoid-receptor-gene methylation happens in the fetus in response to a mother's stress, and persists into adolescence.
尽管该指标很重要，妊娠期营养指导对孕妇和胎儿更有指导意义。
Although healthy weight gain is extremely important, nutritional guidance could be invaluable for all pregnant women and their babies," she said.
安德森医学博士在第一个三个月孕期内没有给孕妇化疗，这时期是胎儿的重要器官形成期，出生缺陷的风险是最高的。
Chemotherapy is not given at M. D. Anderson during the first trimester of pregnancy, when vital organs are still forming and the risk of birth defects is highest.
胎儿同样可以检测到快动期。研究者通过超声波发现，23周大的胎儿即开始在睡眠时快速移动眼球。
Fetuses also experience REM sleep. Studies using ultrasound have shown that fetuses exhibit REM sleep as early as the 23rd week of gestation.
目的探讨妊娠期肺功能的变化与胎儿宫内发育迟缓的关系。
Objective To investigate the relationship between the change of lung function and fetal intrauterine growth retardation.
方法： 应用二维超声对194例胎龄在36～43周的胎儿肾上腺纵切面积（FAGA） 进行测量，然后随访其母亲分娩期的情况。
Methods:The fetal adrenal gland area(FAGA)was measured with ultrasonography in 194 fetuses at 36 43 weeks of gestation and pregnancy outcomes were followed up.
目的探讨妊娠期低水平铅暴露对胎儿骨代谢的影响。
Objectives: Studying the effects of low-level lead exposure during pregnancy on fetal bone metabolism.
目的探讨远程胎儿监护网络在妊娠期糖尿病产前监测的临床价值。
Objective To investigate the clinical value of remote fetal monitoring network in the antepartum management of gestational diabetes mellitus.
胎儿：人类从开始怀孕的第八个星期到出生这一期间的有别于更早期的胚胎的幼儿。
Fetus: in human beings, the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo.
胎儿：人类从开始怀孕的第八个星期到出生这一期间的有别于更早期的胚胎的幼儿。
Fetus: in human beings, the unborn young from the end of the eighth week after conception to the moment of birth, as distinguished from the earlier embryo.
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