Results 21 to 30 of about 3,601 (166)
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 5, Page 582-588, November 2025.ABSTRACT Objective The corpus callosum (CC) is an interhemispheric structure that facilitates communication between the two cerebral hemispheres. Anomalies of the CC are frequent and associated with a wide spectrum of altered neurodevelopmental outcomes.
R. Corroenne +55 more
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The establishment of Elispot-based neutralization assay for HCMV and its application in epidemiological study [PDF]
, 2013 人巨细胞病毒（humancytomegalovirus，HCMV）的感染在全球普遍存在。HCMV感染一般以潜伏状态存在，当机体免疫力低下时，则易发生再激发感染，引起严重甚至威胁生命的感染性疾病。在自然感染过程中，HCMV可感染包括淋巴细胞，上皮细胞以及内皮细胞在内的多种类型的细胞。HCMV体外培养体系的宿主细胞主要是上皮细胞及成纤维细胞。传统的基于细胞病变的TCID50以及空斑形成减少实验检测样本中和滴度的方法，存在周期长，操作繁杂，主观因素影响大的缺点，不适合大样本量的临床研究 ...
赵利利
core
, 2018 妊娠第37周前分娩的现象被称为早产。目前,全球每年约有1500万早产儿出生,其中100万早产儿在出生后的1个月内死亡。因此,早产作为一个全球性的问题,为社会带来了严重的负担。探索早产发生的机制,寻找有效的预防方法,是目前亟待解决的科学问题。文章围绕影响母胎界面微环境的3个主要因素即胎儿滋养层细胞、子宫蜕膜和母胎界面免疫细胞,详细阐述母胎界面微环境改变在早产发生中的作用机制。国家重点研发计划 ...
孟楠, 张思亚, 王海滨, 黄琳
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Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 5, Page 621-630, November 2025.ABSTRACT Objectives To compare the maternal hemodynamics of Chinese women at low and at high risk for preterm pre‐eclampsia (PE) and assess the differences in hemodynamic parameters between high‐risk women with or without prophylactic aspirin. Methods This was a prospective longitudinal case–control study of 857 Chinese women with a singleton pregnancy
X. Wang +11 more
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Zhongshan Daxue xuebao. Yixue kexue ban, 2002 【目的】通过了解胎盘病理变化与胎儿感染HBV 的关系, 探讨胎儿感染的机理。【方法】测量160 例足月妊娠 孕妇胎盘大小、质量、脐长, 并进行大体病理学检查。分组包括30 例胎儿感染组、胎儿血指标阴性者80 例为阴性对照组、正常 孕妇50 例为正常组。对其中61 例HBV 携带者孕妇胎盘进行详细的组织病理学观察(包括胎儿感染组28 例及对照组33 例), 分级诊断分析, 用PCR、ELISA 法检测胎儿血HBV DNA 和HBsAg 。【结果】①胎儿感染组平均胎盘体积为(638 ±179 ...
刘颖琳, 刘新质
doaj
, 2000 介绍了内分泌扰乱化学品 (EDCs)的作用机制及其对野生动物影响的研究进展。内分泌化学品可能与性激素受体、甲状腺素受体和其他受体 (如芳烃受体 )结合 ,也可能通过影响动物体内激素的代谢而对动物的生长发育起调控作用。各实验室的重复实验不支持环境雌激素之间存在协同作用的结论。已报道过的人体和野生动物生殖缺陷中具有充分证据的暴露 -效应关系的实例为数不多。尽管野生鱼类变性是英国河流中的一个普遍现象 ,但进一步的实验证明污水处理场出水中的天然和合成雌激素足以引起鱼类的变性反应 ...
邱东茹,吴振斌,贺锋
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Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 4, Page 433-442, October 2025.ABSTRACT Objective Currently, there are several surgical approaches to manage fetal open spina bifida (OSB), namely postnatal surgical repair, open fetal surgery and its minimally invasive alternative, fetoscopic repair. Our objective was to determine the optimal surgical approach for OSB, weighing the benefits and risks to the fetus and the pregnant ...
Y. Kunpalin +6 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2022 1临床资料孕妇，28岁，G1P0，无遗传病史，唐筛低风险，未行无创DNA或羊水穿刺。孕32周时于当地医院孕检发现胎儿肠管扩张，于孕34周时就诊于吉林大学第二医院行超声见：胎儿下腹部肠管扩张明显，最宽处宽约4.5cm（图1），肠管蠕动不明显。胎儿腹腔积液厚约1.4cm。羊水指数：30.2cm。胎盘完全覆盖宫颈内口。超声提示：胎儿肠道梗阻或闭锁可能，胎儿腹腔积液，羊水过多，完全性前置胎盘。建议患者终止妊娠，患者拒绝终止妊娠。孕35周时孕妇因完全性前置胎盘伴出血、羊水过多行剖宫产(1临床资料孕妇，28岁 ...
刘云飞 +4 more
doaj
The research of the detection of thalassaemia multiple mutations by next-generation sequencing technology [PDF]
, 2015 地中海贫血又称珠蛋白生成障碍性贫血，早期的病例来自地中海地区，故称为地中海贫血，是世界范围内影响最大的单基因病之一，遵循孟德尔遗传定律。该病是由珠蛋白基因的缺失或点突变所致，根据其变异的肽链可分为α地贫和β地贫。由于其基因缺陷的复杂、多样，使缺乏的珠蛋白链类型、数量、临床症状变异较大。临床上对中、重度地中海贫血无行之有效的治疗方法，给社会、家庭、个人带来了沉重的经济及精神负担。故有效检出地中海贫血患者、进行婚前孕前指导、产前诊断、避免地中海贫血患儿的出生，有着极其重要的社会意义 ...
成明
core
Impact of race‐based customization on detection of fetal growth restriction
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 4, Page 480-485, October 2025.ABSTRACT Objective Fetal growth standards determine which fetuses are diagnosed with fetal growth restriction (FGR) and become candidates for enhanced fetal monitoring. Given the existence of race‐based differences in fetal and neonatal weights, we sought to determine the impact of race‐based customization of fetal growth curves on the antenatal ...
P. Ramesh, L. Lemon, J. C. Larkin
wiley +1 more source