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Fetal biometry

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https://www.readbyqxmd.com/read/29753307/antenatal-risk-factors-associated-with-neonatal-morbidity-in-large-for-gestational-age-infants-an-international-prospective-cohort-study
#1
Matias C Vieira, Lesley Me McCowan, Robyn A North, Jenny E Myers, James J Walker, Philip N Baker, Gustaaf A Dekker, Louise C Kenny, Lucilla Poston, Dharmintra Pasupathy
INTRODUCTION: Large for gestational age (LGA) infants are associated with increased risk of neonatal morbidity and mortality, however most of them will not have adverse outcomes. Our aim was to identify antenatal clinical factors associated with neonatal morbidity in LGA infants. MATERIAL AND METHODS: Nulliparous women from the Screening for Pregnancy Endpoints (SCOPE) study were included. We compared maternal and fetal factors between LGA infants (birthweight >90th customized centile) with and without neonatal morbidity, defined as admission to neonatal intensive care unit or severe neonatal morbidity...
May 12, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29738748/femur-sparing-pattern-of-abnormal-fetal-growth-in-pregnant-women-from-new-york-city-after-maternal-zika-virus-infection
#2
Christie L Walker, Audrey A Merriam, Eric O Ohuma, Manjiri K Dighe, Michael Gale, Lakshmi Rajagopal, Aris T Papageorghiou, Cynthia Gyamfi-Bannerman, Kristina M Adams Waldorf
BACKGROUND: Zika virus (ZIKV) is a mosquito-transmitted flavivirus, which can induce fetal brain injury and growth restriction following maternal infection during pregnancy. Prenatal diagnosis of ZIKV-associated fetal injury in the absence of microcephaly is challenging due to an incomplete understanding of how maternal ZIKV infection affects fetal growth and the use of different sonographic reference standards around the world. We hypothesized that skeletal growth is unaffected by ZIKV infection and that the femur length can represent an internal standard to detect growth deceleration of the fetal head and/or abdomen by ultrasound...
May 5, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29730664/fetal-biometry-and-doppler-study-for-the-assessment-of-perinatal-outcome-in-stage-i-late-onset-fetal-growth-restriction
#3
Cecilia Villalaín, Ignacio Herraiz, María Soledad Quezada, Paula Isabel Gómez-Arriaga, Enery Gómez-Montes, Alberto Galindo
OBJECTIVE: To compare perinatal outcomes on fetuses classified as stage I late-onset fetal growth restriction (FGR) depending on the estimated fetal weight (EFW) centile category and the fetal and maternal Doppler study. MATERIAL AND METHODS: Retrospective cohort study on 131 cases of stage I late-onset FGR (diagnosis ≥32+0 weeks), defined as: EFW < 3rd centile and normal Doppler (G1) or EFW < 10th centile and mean uterine artery pulsatility index (PI) > 95th centile (G2) or EFW < 10th centile and mild fetal Doppler alteration: umbilical artery PI > 95th centile, middle cerebral artery PI < 5th centile, or cerebroplacental ratio < 5th centile (G3)...
May 4, 2018: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/29728591/association-between-amniotic-fluid-evaluation-and-fetal-biometry-a-prospective-french-flash-study
#4
Florent Fuchs, Safa Aouinti, Manel Souaied, Valentin Keller, Marie-Christine Picot, Nicolas Fries, Jean-Marc Ayoubi, Olivier Picone
We aimed to study the association between three different methods of assessing the amount of amniotic fluid (subjective method (SM), deepest vertical pocket (DVP) and amniotic fluid index (AFI)) and estimated fetal weight (EFW) (in percentile or Z-score) after adjustment on maternal-fetal parameters. We performed a nationwide cross-sectional study through the French network of obstetric sonographers using the "flash" study method and including low-risk singleton pregnancies from 18-40 weeks. Crude and adjusted odds ratio were computed after stratification upon 2nd and 3rd trimester of pregnancy...
May 4, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29716537/accuracy-of-immediate-antepartum-ultrasound-estimated-fetal-weight-and-its-impact-on-mode-of-delivery-and-outcome-a-cohort-analysis
#5
Johannes Stubert, Adam Peschel, Michael Bolz, Änne Glass, Bernd Gerber
BACKGROUND: The aim of the study was to investigate the accuracy of ultrasound-derived estimated fetal weight (EFW) and to determine its impact on management and outcome of delivery. METHODS: In this single-center cohort analysis, women with a singleton term pregnancy in the beginning stages of labor were included. Women with immediately antepartum EFW (N = 492) were compared to women without ultrasound (N = 515). RESULTS: EFW was correct (deviation from birth weight ≤ 10%) in 72...
May 2, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29704280/prediction-of-adverse-pregnancy-outcome-in-monochorionic-diamniotic-twin-pregnancies-complicated-by-selective-fetal-growth-restriction
#6
Caitriona Monaghan, Erkan Kalafat, Julia Binder, Baskaran Thilaganathan, Asma Khalil
OBJECTIVE: To identify key factors implicated in adverse perinatal outcome in monochorionic twin pregnancies complicated by selective fetal growth restriction. METHODS: This is a retrospective cohort study conducted in a single tertiary referral centre included all monochorionic diamniotic (MCDA) twin pregnancies complicated by selective fetal growth restriction (sFGR). The presence of co-existing twin to twin transfusion syndrome (TTTS) was noted. Fetal biometry and Doppler indices, including the umbilical artery (UA) and ductus venosus (DV), were recorded at the time of diagnosis...
April 28, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29696704/fetal-medicine-foundation-fetal-and-neonatal-population-weight-charts
#7
K H Nicolaides, D Wright, A Syngelaki, A Wright, R Akolekar
OBJECTIVE: To develop fetal and neonatal population weight charts. The rationale for this objective is that while reference ranges of estimated fetal weight (EFW) are representative of the whole population, the traditional approach of deriving birth-weight (BW) charts is misleading because a high proportion of babies born preterm arises from pathological pregnancies. We propose that the reference population for BW charts, as in the case of EFW charts, should be all babies at a given gestational age including those still in utero...
April 26, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29689632/a-crossover-comparison-of-standard-and-telerobotic-approaches-to-prenatal-sonography
#8
Scott J Adams, Brent E Burbridge, Andreea Badea, Nadine Kanigan, Luis Bustamante, Paul Babyn, Ivar Mendez
OBJECTIVES: To determine the feasibility of a telerobotic approach to remotely perform prenatal sonographic examinations. METHODS: Thirty participants were prospectively recruited. Participants underwent a limited examination (assessing biometry, placental location, and amniotic fluid; n = 20) or a detailed examination (biometry, placental location, amniotic fluid, and fetal anatomic survey; n = 10) performed with a conventional ultrasound system. This examination was followed by an equivalent examination performed with a telerobotic ultrasound system, which enabled sonographers to remotely control all ultrasound settings and fine movements of the ultrasound transducer from a distance...
April 24, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29611251/ultrasonographic-estimation-of-fetal-weight-development-of-new-model-and-assessment-of-performance-of-previous-models
#9
Aymen Hammami, Alicia Mazer Zumaeta, Argyro Syngelaki, Ranjit Akolekar, Kypros H Nicolaides
OBJECTIVE: To develop a new formula for ultrasonographic estimation of fetal weight (EFW) and evaluate the accuracy of this and all previous formulas in the prediction of birthweight. METHODS: The study population consisted of 5,163 singleton pregnancies with fetal biometry at 22-43 weeks' gestation and livebirth of phenotypically normal neonates within 2 days of the ultrasound examination. Multivariable fractional polynomial analysis was used to determine the combination of variables that provided the best-fitting models for EFW...
April 2, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29607557/maternal-hemodynamics-fetal-biometry-and-dopplers-in-pregnancies-followed-up-for-suspected-fetal-growth-restriction
#10
Llinos A Roberts, Hua Zen Ling, Liona Poon, Kypros H Nicolaides, Nikos A Kametas
OBJECTIVES: To assess whether in a cohort of patients with small for gestational age (SGA) foetuses with estimated fetal weight ≤10th percentile, maternal hemodynamics, fetal biometry and Dopplers at presentation, can predict the subsequent development of abnormal fetal Dopplers or delivery with birthweight <3rd percentile. METHODS: The study population comprised of 86 singleton pregnancies with SGA fetuses presenting at a median gestational age of 32 (range 26-35) weeks...
April 1, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29606022/associations-between-neural-injury-markers-of-intrauterine-growth-restricted-infants-and-neurodevelopment-at-2-years-of-age
#11
E Mazarico, E Llurba, L Cabero, O Sánchez, A Valls, A Martin-Ancel, D Cardenas, M D Gómez Roig
OBJECTIVES: The aim of this study was to evaluate the relationships between brain injury biomarkers in intrauterine growth-restricted (IUGR) infants (S100B and neuron-specific enolase (NSE)) and neurodevelopment at 2 years of age. METHODS: This prospective case-control study was a cooperative effort among Spanish Maternal and Child Health Network (Retic SAMID) hospitals. At inclusion, biometry for estimated fetal weight and feto-placental Doppler variables were measured for each infant...
March 31, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29605157/fetal-biometry-to-assess-the-size-and-growth-of-the-fetus
#12
REVIEW
Neil O'Gorman, Laurent J Salomon
Ultrasound assessment of fetal size is central to modern practice of prenatal care. It facilitates accurate pregnancy dating and screening for fetal growth disorders. This article discusses evidence-based recommended methods for pregnancy dating and biometric measurements. We address some confusing terms such as fetal growth "standards" and fetal growth "references" along with explaining the differences between prescriptive and descriptive charts and between growth charts based on estimated fetal weight vs those based on birth weight...
February 23, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29593993/fetal-primary-hydrothorax-with-spontaneous-resolution
#13
Vera Trocado, J P Coutinho-Borges, Mariana Carlos-Alves, Joaquim Santos, Paula Pinheiro
Fetal primary hydrothorax is a rare congenital anomaly with an estimated incidence of 1:10.000-15.000 pregnancies, with an unpredictable clinical course, ranging from spontaneous resolution to fetal death. We present a case of a unilateral fetal pleural effusion identified at 35th gestational week. A 37 year-old woman (G2P1) presented to our routine term pregnancy evaluation. The pregnancy had been otherwise uneventful. At ecographic evaluation a large anechogenic fluid collection was identified in the right fetal hemithorax, with atelectasis of right lung, displacing the heart and mediastinal structures to the contralateral hemithorax...
July 2017: Case Reports in Women's Health
https://www.readbyqxmd.com/read/29590672/prenatally-diagnosed-single-umbilical-artery-sua-retrospective-analysis-of-1169-fetuses
#14
Ulrike Friebe-Hoffmann, Andreas Hiltmann, Thomas W P Friedl, Krisztian Lato, Rüdiger Hammer, Wolfgang Janni, Peter Kozlowski
PURPOSE:  The incidence of a fetal single umbilical artery (SUA) is about 0.5 % and has been associated with an increased risk of congenital malformations, fetal aneuploidy and intrauterine growth restriction (IUGR). MATERIALS AND METHODS:  A retrospective analysis of 1169 women with singleton pregnancies diagnosed with fetal SUA between 1997 and 2014 in a specialized practice for prenatal diagnostics has been performed. Data was obtained on maternal and fetal findings as well as pregnancy outcome...
March 28, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/29541649/learning-to-segment-key-clinical-anatomical-structures-in-fetal-neurosonography-informed-by-a-region-based-descriptor
#15
Ruobing Huang, Ana Namburete, Alison Noble
We present a general framework for automatic segmentation of fetal brain structures in ultrasound images inspired by recent advances in machine learning. The approach is based on a region descriptor that characterizes the shape and local intensity context of different neurological structures without explicit models. To validate our framework, we present experiments to segment two fetal brain structures of clinical importance that have quite different ultrasonic appearances-the corpus callosum (CC) and the choroid plexus (CP)...
January 2018: Journal of Medical Imaging
https://www.readbyqxmd.com/read/29533928/validation-of-reference-charts-for-mid-trimester-fetal-biometry
#16
K van de Kamp, E Pajkrt, A H Zwinderman, J A van der Post, R J M Snijders
OBJECTIVE: The aim of our study was to assess charts proposed for international use in the Intergrowth-21st Project. METHODS: Ultrasound data were collected from 43,923 healthy singleton pregnancies examined at 18-23 weeks of gestation in the Netherlands. Fetal measurements were converted into Z-scores using previous and current Dutch reference charts and Intergrowth charts. The distributions of the Z-scores were compared with the expected standard normal distribution...
March 13, 2018: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/29519792/prenatal-brain-mr-imaging-reference-linear-biometric-centiles-between-20-and-24-gestational-weeks
#17
G Conte, S Milani, G Palumbo, G Talenti, S Boito, M Rustico, F Triulzi, A Righini, G Izzo, C Doneda, A Zolin, C Parazzini
BACKGROUND AND PURPOSE: Evaluation of biometry is a fundamental step in prenatal brain MR imaging. While different studies have reported reference centiles for MR imaging biometric data of fetuses in the late second and third trimesters of gestation, no one has reported them in fetuses in the early second trimester. We report centiles of normal MR imaging linear biometric data of a large cohort of fetal brains within 24 weeks of gestation. MATERIALS AND METHODS: From the data bases of 2 referral centers of fetal medicine, accounting for 3850 examinations, we retrospectively collected 169 prenatal brain MR imaging examinations of singleton pregnancies, between 20 and 24 weeks of gestational age, with normal brain anatomy at MR imaging and normal postnatal neurologic development...
May 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29517144/utility-of-fetal-anteroposterior-to-transverse-cerebellar-diameter-ratio-to-exclude-cerebellar-hypoplasia-in-trisomy-18
#18
Mayumi Takano, Masahiko Nakata, Ayako Oji, Sumito Nagasaki, Nahomi Umemura, Toshimitsu Maemura, Mineto Morita
AIM: This study was aimed to determine reference ranges for fetal cerebellar hemisphere biometry, including the transverse cerebellar diameter (TCD), anteroposterior cerebellar diameter (APCD) and APCD/TCD ratio in normal fetuses. In addition, we investigated which parameter would be useful for cerebellar hypoplasia in trisomy 18. METHODS: This retrospective study included 340 normal singleton pregnancies and 15 cases of trisomy 18, in all of which fetal cerebellar biometry was performed between 14 and 40 weeks of gestational age (GA)...
March 8, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29498056/growth-patterns-in-fetuses-with-isolated-cardiac-defects
#19
Ilse Haveman, Johanna H Fleurke-Rozema, Eduard J H Mulder, Manon Benders, Gideon du Marchie Sarvaas, Henriette Ter Heide, Roel H de Heus, Caterina M Bilardo
OBJECTIVES: There is evidence that in fetuses with congenital heart defects (CHDs), head growth is affected. However, scanty data are available on longitudinal growth patterns of other biometric parameters such as abdominal circumference (AC) and femur length (FL). The aim was to evaluate growth patterns in fetuses with isolated CHD diagnosed prenatally in different categories of lesions. METHODS: Fetuses with isolated CHD seen between 2008 and 2013 at the Fetal Medicine Unit of 2 tertiary referral centers were retrospectively included in the study...
April 2018: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29484859/-fetal-weight-charts-in-the-israeli-population
#20
Etty Daniel-Spiegel, Micha Mandel, Simcha Yagel
BACKGROUND: Sonographic estimated fetal weight is performed by measuring the fetal organs' biometry and introducing the data into a formula. The calculated value is then compared with reference charts and serves as a critical component in pregnancy follow-up. Ideally the charts should be appropriate to the specific population. OBJECTIVES: To display and validate sonographic based Israeli-matched, intrauterine fetal weight curves. METHODS: The international Hadlock and Souka formulas, were chosen and assessed using over 70,000 ultrasound examinations from Israel...
February 2018: Harefuah
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