It has not only been observed in infants and in newborns, but also in fetuses of 12-14 weeks' gestational age.
不仅婴儿和新生儿有呵欠行为，就连12 -14周的胎儿也会打呵欠。
Outcomes of interest were birth weight, low birth weight, small size for gestational age, 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。
Maternal education or gestational age 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。
Physical examinations, antenatal laboratory tests and anthropometric measures were performed, and gestational age was determined by ultrasound to confirm eligibility.
对其进行了体检、产前实验室化验和人体测量，采用B超测定怀孕周数以确定其合格性。
Note the age, gravida, para, and gestational age.
记录年龄，孕次，产次和孕周。
They increased linearly with increasing birth weight and gestational age.
它们均随著出生体重和怀孕周数的增加而增加。
A. The rate of maternal, fetal, and neonatal complications increases with gestational age.
随着孕龄增加，母体、胎儿及围生儿并发症的发生率也增加。
The data of major intracranial artery could be detected out when gestational age over 20 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。
Conclusion the success rate of medical abortion is related to gestational age and the diameter of embryo sac.
结论药物流产成功率与孕周、胚囊直径有关。
The high risk factors were low birth weight, small gestational age, long term oxygen therapy and early severe anemia.
高危因素分别为低出生体重、小孕周、长期或高浓度氧疗以及早期严重贫血。
Birth weight, gestational age and chest tube duration were significantly different between dead and surviving infants.
死亡患儿与幸存患儿出生体重、胎龄及胸管留置时间差异有统计学意义。
The results showed that in development of neurons in visual cortex, nucleoplasmic ratio decreased with gestational age;
结果表明，视皮质神经元发育过程中核质比例逐渐减小；
The crown-rump length becomes less accurate after 12 weeks in determining gestational age because the fetus begins to curve.
孕12周后，因胎儿身体屈曲，以胎儿顶臀径推算孕龄已不够准确。
Objective To investigate the incidence of small for gestational age (SGA) and the perinatal correlation factors in western Guangxi.
目的探讨桂西地区小于胎龄儿（SGA）发生率及围生相关因素。
Methods 67pregnant women with gestational age of 10-14 weeks were measured for nuchal translucency thickness by ultrasonic testing.
方法对67例早期妊娠(孕10 -14周)病例进行超声检查测量颈项皮肤透明层厚度。
To study the levels of serum leptin and their roles on the growth of children aged 2~7 years old with small for gestational age(SGA).
瘦素参与2~7岁儿童的生长过程，并可作为评价此阶段儿童营养状况的指标。
Methods: 96 preterm children (gestational age 30 to 35 weeks) were randomly divided into two groups and the control group of 48 cases.
方法：将96例早产儿(胎龄30 ~35周)随机分为观察组和对照组各48例。
BACKGROUND: Differentiation inducing factors and gestational age influence the differentiation potential of embryonic neural stem cells.
背景：胚胎来源干细胞的分化潜能不仅受到诱导条件影响，也受来源胚胎胚龄的影响。
The prevalence of obesity for children born pre term was 18%, higher than the children born small for gestational age(8.8%) significantly.
早产低体重儿的肥胖发生率为18% ，明显高于足月小样儿（8.8% ）。
The incidence of prenatal death, small for gestational age infants and newborn complications in EOPE group were higher than those in LOPE group(P<0.05).
早发型组围产儿死亡率、小于胎龄儿发生率和新生儿并发症发生率均高于晚发型组（P<0.05）；
The minimum gestational age for testing should reflect the lower limit that intervention with delivery would be considered. This age is now 24 to 25 weeks.
进行监护的最低孕龄反应了考虑进行分娩干预的最低限，即24-25孕周。
Objective To evaluate the relationship between gestational age and fetal renal volume and blood-flow volume measured by three-dimensional ultrasound (3d US).
目的探讨三维超声测量胎儿肾脏体积及肾脏血流容积与孕龄相关关系。
Objective To study the correlation between the fetal liver volume and gestational age by three-dimensional ultrasound, and to evaluate its clinical significance.
目的探讨三维超声测量胎儿肝体积与孕龄的相关关系及其临床意义。
Objective to observe the cardiac structures of the normal fetuses between 11 + 0 to 14 + 6 weeks' gestation for obtaining the normative data of the gestational age.
目的对妊娠11 + 0 ~14 +6周正常胎儿心脏结构进行观察，获得该孕周内正常胎儿心脏的生理参数。
Mothers who had been born preterm were not more likely to deliver their own children preterm. And preterm birth was not associated with small for gestational age infants.
本身早产的母亲，不见得会生早产儿，而早产与胎儿体型小无直接关系。
The risk factors for colonization were gestational age, birth weight, length of hospitalization, mechanical ventilation, parenteral nutrition and length of antibiotic therapy.
早产儿获得细菌定植与胎龄小、出生体重低、住院时间长、应用机械通气、胃肠外营养、长时间使用抗生素等因素有关。
DNA methodology and gestational age had the largest effects on test performance, with real-time quantitative polymerase chain reaction (RTQ-PCR) outperforming conventional PCR.
所用的DNA方法学和所处的妊娠期对检测精度有着最大的影响，实时定量多聚酶链反应(RTQ - PCR)的检测精度超过常规的PCR。
Objective To observe the relation between human parvovirus B19 (HPVB19) intrauterine infection and occurrence of premature infant and full term for newborns small gestational age.
目的观察人类微小病毒B19 (HPVB19)宫内感染与早产儿、足月小于胎龄儿的关系。
Randomized controlled trials comparing methods of pain control in first trimester surgical abortion at less than 14 weeks gestational age using electric or manual suction aspiration.
在第一孕期小于14周使用电动或手动真空抽吸实施的人工流产，以随机对照性的临床试验比较疼痛控制的方法。
Randomized controlled trials comparing methods of pain control in first trimester surgical abortion at less than 14 weeks gestational age using electric or manual suction aspiration.
在第一孕期小于14周使用电动或手动真空抽吸实施的人工流产，以随机对照性的临床试验比较疼痛控制的方法。
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