Results 41 to 50 of about 19,986 (159)
Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 2, Page 162-167, February 2026.ABSTRACT Objective Pre‐eclampsia (PE) is a leading cause of maternal and neonatal morbidity and mortality worldwide. Early identification of high‐risk pregnancies in the first trimester allows preventive treatment with low‐dose aspirin. This study aimed to evaluate whether multivariable Gaussian algorithm‐based PE screening strategies, with and without
E. Bonacina +10 more
wiley +1 more source
Zhongshan Daxue xuebao. Yixue kexue ban, 2000 【目的】研究胎儿感染乙型肝炎病毒( HBV)与胎盘感染之间的关系及其意义。【方法】用 PCR 及斑点杂交法检测 母血、新生儿静脉血 HBV DNA(确定胎儿感染者) , 用免疫组化方法( LSAB 法)检测61例 HBV 携带者母亲胎盘 HBcAg。【结果】 ① 胎儿HBV 感染率为 22. 92%( 33/144);②61例胎盘 HBcAg 阳性率为 68. 85%( 41/61) , 胎儿感染组阳性率( 82. 14%)高于对 照组( 54. 55%) , P
刘颖琳 +3 more
doaj
Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 1, Page 27-33, January 2026.ABSTRACT Objective To assess the effectiveness of the first‐trimester anomaly scan (FTAS) performed as part of a centrally steered national screening program in The Netherlands by investigating false‐negative cases with a fetal structural anomaly that was not detected at the FTAS.
K. Bronsgeest +18 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
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 6, Page 706-715, December 2025.ABSTRACT Objective To evaluate the use of twin vs singleton growth charts for detecting small‐for‐gestational‐age (SGA) twins at risk of adverse neonatal outcomes. Methods MEDLINE, EMBASE, CINAHL, Cochrane and Scopus databases were searched electronically from inception to May 2024.
S. Sorrenti +9 more
wiley +1 more source
NT超声检查技术联合孕中期四维彩超对胎儿结构畸形的诊断价值分析
Zhongguo shiyan zhenduanxue, 2019 目的分析胎儿颈项透明层厚度(NT)超声检查技术与孕中期四维彩超联合诊断胎儿结构畸形的价值。方法选取2016年2月至2018年3月我院产检产妇1205例,均予以产前二维彩超、NT超声检查联合孕中期四维彩超检查,对检查结果进行分析并随访至产后。结果孕11-14周1205例产检产妇中,确诊结构异常胎儿46例(3.82%),NT检出异常胎儿44例(3.65%);继续妊娠的1186例孕21-28周四维彩超检查中,确诊结构异常胎儿29例(2.45%),四维彩超检出异常胎儿29例(2.45 ...
廖宏伟, 武小丁
doaj
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 6, Page 738-746, December 2025.ABSTRACT Objective To evaluate the performance of non‐invasive prenatal testing (NIPT) in vanishing‐twin and multiple pregnancies. Methods This study was conducted as part of the TRIDENT‐2 study, in which NIPT was offered as a first‐tier screening test to women with a multiple pregnancy or vanishing‐twin pregnancy between 1 June 2020 and 31 March 2023 ...
J. C. A. van Eekhout +86 more
wiley +1 more source
, 2002 【目的】分析胎儿染色体异常的类型以及与产前诊断指征的关系。【方法】有产前诊断指征的1 200 例孕妇, 在 妊娠17 ～ 38 周时取脐血做染色体核型分析。【结果】检出染色体异常核型58 例(4.8 %)。58 例异常核型主要为染色体三体 32 例(55%), 21 三体19 例(33 %);另检出染色体易位10 例(17 %), 染色体倒位8 例(14 %)。在各种产前诊断指征中, 高龄 孕妇检出胎儿异常核型18 例(31 %), 父或母为染色体平衡易位携带者检出胎儿核型与其相同15 例(26 %
张旭昀 +4 more
core
Zhongguo shiyan zhenduanxue, 2015 新生儿溶血病（hemolytic disease of the newborn,HDN）是因母胎红细胞血型不合,母体的免疫系统被胎儿红细胞致敏而产生血型IgG类抗体,这种血型IgG类抗体可以通过胎盘进入胎儿的血液循环,胎儿的红细胞被母亲的IgG血型抗体包被,并在婴儿的单核巨噬细胞系统内受到破坏而引起的免疫性溶血性疾病[1]。溶血出现后继发引起胎儿或新生儿发生贫血、肝脾肿大等症状 ...
蔡忠鹤, 遇红梅, 刘铁梅
doaj
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 6, Page 747-753, December 2025.ABSTRACT Objective Ultrasound‐based fetal growth assessment is an essential part of clinical decision‐making in modern obstetric care. This study aimed to evaluate the impact of maternal and fetal characteristics on the accuracy and precision of sonographic fetal weight estimation.
M. Granfors +4 more
wiley +1 more source