Results 31 to 40 of about 18,200 (146)

Screening for pre‐eclampsia using pregnancy‐associated plasma protein‐A or placental growth factor measurements in blood samples collected at 8–14 weeks' gestation

open access: yesUltrasound in Obstetrics &Gynecology, Volume 65, Issue 5, Page 567-574, May 2025.
ABSTRACT Objectives To assess the value of pregnancy‐associated plasma protein‐A (PAPP‐A) in screening for preterm pre‐eclampsia (PE) (delivery < 37 weeks' gestation) measured in maternal blood samples collected before 11 weeks, and to compare the screening performance of PAPP‐A with that of placental growth factor (PlGF) from blood samples collected ...
L. Rode   +21 more
wiley   +1 more source

Detection of human cytomegalovirus cell‐free DNA in pregnant women with symptomatically infected fetuses: proof‐of‐concept study

open access: yesUltrasound in Obstetrics &Gynecology, Volume 65, Issue 4, Page 470-477, April 2025.
ABSTRACT Objective To evaluate the presence and levels of cytomegalovirus (CMV) cell‐free DNA (cfDNA) fragments in women pregnant with a fetus with symptomatic congenital CMV (cCMV). Methods The study comprised nine women whose fetuses were diagnosed with cCMV between June 2019 and July 2024 at 20 + 4 to 34 + 1 weeks' gestation (n = 8) or neonatally (n 
B. H. W. Faas   +9 more
wiley   +1 more source

羊水过少胎盘血管铸型特点及与妊娠结局的关系 [PDF]

open access: yes, 2011
目的分析羊水过少胎盘血管铸型特点,探讨其与妊娠结局的关系。方法采用血管铸型技术,铸型30例正常胎盘和35例羊水过少胎盘血管系统,总结两组的特点及妊娠结局。结果与正常妊娠胎盘比较,羊水过少组的胎盘静脉容量和动脉系统容量均较少 ...
黄秀敏   +4 more
core  

N‐terminal pro B‐type natriuretic peptide as biomarker to predict pre‐eclampsia and maternal–fetal complications

open access: yesUltrasound in Obstetrics &Gynecology, Volume 65, Issue 4, Page 447-455, April 2025.
ABSTRACT Objective A soluble fms‐like tyrosine kinase‐1 (sFlt‐1)‐to‐placental growth factor (PlGF) ratio cut‐off of 38 is currently considered optimal for ruling out pre‐eclampsia (PE); however, implementation of this ratio in clinical practice is limited.
M. N. Nan   +15 more
wiley   +1 more source

Association of maternal body mass index with hemodynamic and vascular alterations at 35–37 weeks' gestation

open access: yesUltrasound in Obstetrics &Gynecology, Volume 65, Issue 3, Page 303-310, March 2025.
ABSTRACT Objective Globally, one in four pregnant women is classified as overweight or obese, based on their prepregnancy body mass index (BMI). Obese pregnant women are at increased risk of adverse pregnancy outcomes and long‐term cardiovascular disease that occurs earlier in life.
M. Charakida   +6 more
wiley   +1 more source

Prediction of pre‐eclampsia using maternal hemodynamic parameters at 12 + 0 to 15 + 6 weeks

open access: yesUltrasound in Obstetrics &Gynecology, Volume 65, Issue 2, Page 173-182, February 2025.
ABSTRACT Objectives To compare the maternal hemodynamic profile at 12 + 0 to 15 + 6 weeks' gestation in women who subsequently developed pre‐eclampsia (PE) and those who did not, and to assess the screening performance of maternal hemodynamic parameters for PE in combination with the Fetal Medicine Foundation (FMF) triple test, including maternal ...
X. Wang   +9 more
wiley   +1 more source

具有核球和盘的盘状星系三维质量分布

open access: yes, 1984
观测指出,盘状星系有两个主要组成部分,中心椭球和外盘.在早型的以发光天体为主体的盘状星系中,根据光度分布规律可以得到面密度分布.本文根据中心具有核球的盘状星系面密度分布曲线和旋转曲线,用数值方法求解流体力学方程组和泊松方程,得出盘状星系中心区域的三维质量分布和弥散速度分布.结果表明,盘状星系的中心椭球为一高密度区,此区中的恒星或星团与椭圆星系的成员具有近似的动力学特征 ...
唐泽眉
core   +2 more sources

Exploring pathophysiological insights to improve diagnostic utility of ultrasound markers for distinguishing placenta accreta spectrum from uterine‐scar dehiscence

open access: yesUltrasound in Obstetrics &Gynecology, Volume 65, Issue 1, Page 85-93, January 2025.
ABSTRACT Objective Accurate differentiation between placenta accreta spectrum (PAS) and uterine‐scar dehiscence with underlying non‐adherent placenta is often challenging, even for PAS experts, both prenatally and intraoperatively. We investigated the use of standardized two‐dimensional grayscale ultrasound and Doppler imaging markers in ...
T. Adu‐Bredu   +3 more
wiley   +1 more source

Intermanufacturer assessment of diagnostic performance of angiogenic ratio vs glycosylated fibronectin in women with suspected pre‐eclampsia

open access: yesUltrasound in Obstetrics &Gynecology, Volume 64, Issue 5, Page 620-625, November 2024.
ABSTRACT Objective To compare the diagnostic performance of different manufacturers' immunoassays for the soluble fms‐like tyrosine kinase‐1 (sFlt‐1)‐to‐placental growth factor (PlGF) ratio with that of a point‐of‐care (PoC) test for glycosylated fibronectin (GlyFn) in women with suspected pre‐eclampsia (PE).
I. Y. M. Wah   +7 more
wiley   +1 more source

Research progress on early placental development in cattle(牛胎盘早期发育研究进展)

open access: yes浙江大学学报. 农业与生命科学版
Pregnancy loss is a key issue limiting the sustainable development of cattle breeding, with about 50% occurring in the early stages of embryonic development, while abnormal placental development is a significant cause of early pregnancy loss.
LIN Haiwei(林海威)   +5 more
doaj   +1 more source

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