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Fetal biometry

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https://www.readbyqxmd.com/read/29331830/fetal-development-of-the-poeppig-s-woolly-monkey-lagothrix-poeppigii
#1
Rafael Dos Santos de Andrade, Frederico Ozanan Barros Monteiro, Hani Rocha El Bizri, Wilter Ricardo Russiano Vicente, Diva Anelie de Araujo Guimarães, Pedro Mayor
The intrauterine development is an evolutionary strategy that prepares the neonate for extra-uterine life, thus providing important information on the life history of species. In this study, we described the external and internal morphology of 25 fetuses of Poeppig's woolly monkeys (Lagothrix poeppigii) by taking advantage of a 10-year participatory collection of biological samples originated from animals hunted for subsistence purposes in the Peruvian Amazon. Logistic regressions estimated the probability of occurrence of each external morphological characteristic in relation to the crown-rump length (CRL)...
December 8, 2017: Theriogenology
https://www.readbyqxmd.com/read/29305249/sonographic-large-fetal-head-circumference-and-risk-of-cesarean-delivery
#2
Michal Lipschuetz, Sarah M Cohen, Ariel Israel, Joel Baron, Shay Porat, Dan V Valsky, Oren Yagel, Doron Kabiri, Yinon Gilboa, Eyal Sivan, Ron Unger, Eyal Schiff, Reli Hershkovitz, Simcha Yagel
BACKGROUND: Persistently high rates of cesarean deliveries are cause for concern for physicians, patients, and health systems. Prelabor assessment might be refined by identifying factors that help predict an individual patient's risk of cesarean delivery. Such factors may contribute to patient safety and satisfaction as well as health system planning and resource allocation. In an earlier study, neonatal head circumference was shown to be more strongly associated with delivery mode and other outcome measures, than neonatal birth weight...
January 2, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29295639/the-influence-of-fetal-sex-on-the-antenatal-diagnosis-of-small-for-gestational-age
#3
Grazia Volpe, Christos Ioannou, Angelo Cavallaro, Silvia Vannuccini, Sara Ruiz-Martinez, Lawrence Impey
OBJECTIVE: We evaluated the influence of fetal sex on the antenatal diagnosis and detection of small for gestational age (SGA). METHODS: The cohort consisted of unselected singleton pregnancies, undergoing routine biometry and cerebroplacental ratio (CPR) assessment at 36 weeks. Locally fitted equations for centiles and Z scores were used. "Ultrasound SGA" was defined as estimated fetal weight (EFW) < 10th centile, "SGA at birth" as birthweight (BW) < 10th centile adjusted for sex...
January 2, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29275822/screening-for-fetal-growth-restriction-using-fetal-biometry-combined-with-maternal-biomarkers
#4
REVIEW
Francesca Gaccioli, Irving L M H Aye, Ulla Sovio, D Stephen Charnock-Jones, Gordon C S Smith
Fetal growth restriction is a major determinant of perinatal morbidity and mortality. Screening for fetal growth restriction is a key element of prenatal care but it is recognized to be problematic. Screening using clinical risk assessment and targeting ultrasound to high-risk women is the standard of care in the United States and United Kingdom, but the approach is known to have low sensitivity. Systematic reviews of randomized controlled trials do not demonstrate any benefit from universal ultrasound screening for fetal growth restriction in the third trimester, but the evidence base is not strong...
December 22, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29216774/chinese-fetal-biometry-reference-equations-and-comparison-with-charts-from-other-populations
#5
Yixiu Zhang, Hua Meng, Yuxin Jiang, Zhonghui Xu, Yunshu Ouyang, Shengli Li, Qian Chen, Qingqing Wu, Rui Li, Tong Ru, Aailu Cai, Xinlin Chen, Taizhu Yang, Ping Chen, Hongning Xie, Hong Lu, Qing Dai, Fen Dong, Meng Yang, Xiao Yang, Jia Lu, Jiawei Tian, Kun Sun, Hui Li
OBJECTIVE: This study aimed to construct new reference charts and equations for fetal biometry from Chinese fetuses at 15-40 weeks and to compare them with previous references. METHOD: This was a prospective, cross-sectional study of singleton pregnancies in patients with a confirmed gestational age who underwent ultrasound examinations between the 15th and 40th weeks of gestation. Each woman was selected only once for this study. Biparietal diameter (BPD), head circumference (HC), abdominal circumference (AC), and femur length (FL) were recorded...
December 7, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29161699/patterns-of-detection-of-fetal-posterior-fossa-anomalies-analysis-of-81-cases-in-the-second-half-of-gestation
#6
Stéphanie Friszer, Ferdinand Dhombres, Eléonore Blondiaux, Marie-Laure Moutard, Catherine Garel, Jean-Marie Jouannic
OBJECTIVE: To establish which characteristics of fetal ultrasound screening lead to the diagnosis of posterior fossa (PF) anomalies. METHODS: A total of 81 fetuses with PF anomalies diagnosed after dedicated neuroimaging between July 1, 2007, and January 1, 2013, were included. The ultrasound characteristics of the fetal cerebellum categorized according to an anatomical approach to the PF, associated fetal anomalies, gestational age at diagnosis, and the potential benefits from systematic measurement of the transverse cerebellar diameter (TCD) were analyzed...
November 21, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/29153660/fetal-size-and-growth-velocity-in-chronic-hypertension
#7
T Frusca, S Parolini, A Dall'Asta, W A Hassan, A Vitulo, A Gillett, D Pasupathy, C C Lees
OBJECTIVE: To investigate longitudinal fetal growth and growth velocity for commonly measured biometric parameters in women with chronic hypertension. METHODS: Two centre retrospective European study of women with chronic hypertension ascertained at pregnancy booking. Ultrasound measurements of head circumference (HC), abdominal circumference (AC) and femur length (FL) were used to derive longitudinal fetal growth charts derived using functional linear discriminant analysis (FLDA)...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29131913/unilateral-congenital-cataract-clinical-profile-and-presentation
#8
Sudarshan Khokhar, Cijin P Jose, Ramanjit Sihota, Neha Midha
PURPOSE: To study the clinical profile and presentation of children with unilateral cataract. METHODS: In this hospital-based, observational, cross-sectional study, patients 15 years of age or younger who presented with unilateral cataract were recruited. Cases of cataract secondary to causes such as trauma or uveitis were excluded. Age at detection and presentation, distance from the treatment center, presenting complaints, cataract morphology, and biometry were noted for each case...
November 11, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29108135/regimens-of-ultrasound-surveillance-for-twin-pregnancies-for-improving-outcomes
#9
REVIEW
Jane G Woolcock, Rosalie M Grivell, Jodie M Dodd
BACKGROUND: Increased ultrasound surveillance of twin pregnancies has become accepted practice due to the higher risk of complications. There is no current consensus however as to the method and frequency of ultrasound monitoring that constitutes optimal care. OBJECTIVES: To systematically review the effects of different types and frequency of ultrasound surveillance for women with a twin pregnancy on neonatal, fetal and maternal outcomes. SEARCH METHODS: We searched Cochrane Pregnancy and Childbirth's Trials Register, ClinicalTrials...
November 7, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29043709/estimation-of-day-specific-probabilities-of-conception-during-natural-cycle-in-women-from-babylon
#10
Hanan Al-Taee, Ban J Edan
Background: Identifying predictors of the probabilities of conception related to the timing and frequency of intercourse in the menstrual cycle is essential for couples attempting pregnancy, users of natural family planning methods, and clinicians diagnosing for possible causes of infertility. The aim of this study is to estimate the days in which the likelihood of conception happened by using first trimester ultrasound fetal biometry in natural cycles and spontaneous pregnancy, and to explore some factors that may affect them...
January 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29033022/-fetal-biometry-it-is-time-for-change
#11
EDITORIAL
G Haddad
No abstract text is available yet for this article.
October 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29030147/-report-from-the-cfef-seminar-on-fetal-biometry-june-2017
#12
Collège Français d'échographie Fœtale Cfef
This article reports the conclusions and recommendations resulting from the seminar organized in Paris on June 15, 2017 by the scientific committee of the French College of Fetal Ultrasound (CFEF). The purpose of this meeting was to audit the practices in screening for SGA and IUGR fetuses in France and to discuss ways to improve ultrasound screening. A review of charts, references, standards and common practices was performed. The potential new biometric tools applicable in France were reviewed and analyzed...
October 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29026765/screening-antenatal-anxiety-predicting-its-effect-on-fetal-growth
#13
Kaushik Sarkar, Goutam Das, Ranadip Chowdhury, Bhaskar Shahbabu, Ishita Sarkar, Santu Maiti, Aparajita Dasgupta
CONTEXT: Maternal anxiety has an association with low birth weight. However, studies are scarce to determine any association between maternal anxiety and fetal growth. AIMS: This study aims to determine the effect of maternal anxiety on fetal growth, measured by gestational age-dependent increase in fetal abdominal circumference (AC). The secondary objective is to determine the effect of maternal anxiety on other fetal parameters (biparietal diameter [BPD], head circumference [HC], femur length [FL])...
January 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28978539/maternal-weight-gain-and-associations-with-longitudinal-fetal-growth-in-dichorionic-twin-pregnancies-a-prospective-cohort-study
#14
Stefanie N Hinkle, Mary L Hediger, Sungduk Kim, Paul S Albert, William Grobman, Roger B Newman, Deborah A Wing, Jagteshwar Grewal, Cuilin Zhang, Germaine M Buck Louis, Katherine L Grantz
Background: Maternal metabolic demands are much greater with twin gestations; however, there are no accepted recommendations for maternal weight gain in twin pregnancies.Objective: We assessed the association of maternal weight gain and fetal growth in dichorionic twins throughout pregnancy.Design: This was a prospective US cohort study (n = 143, 2012-2013) of dichorionic twin pregnancies with known birth outcomes followed from enrollment (11-13 wk) and for ≤6 research visits throughout gestation. Maternal prepregnancy weight was self-reported, and current weight was measured at each research visit and abstracted from prenatal records...
October 4, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28958729/a-deep-learning-solution-for-automatic-fetal-neurosonographic-diagnostic-plane-verification-using-clinical-standard-constraints
#15
Mohammad Yaqub, Brenda Kelly, Aris T Papageorghiou, J Alison Noble
During routine ultrasound assessment of the fetal brain for biometry estimation and detection of fetal abnormalities, accurate imaging planes must be found by sonologists following a well-defined imaging protocol or clinical standard, which can be difficult for non-experts to do well. This assessment helps provide accurate biometry estimation and the detection of possible brain abnormalities. We describe a machine-learning method to assess automatically that transventricular ultrasound images of the fetal brain have been correctly acquired and meet the required clinical standard...
December 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28926826/a-low-cerebroplacental-ratio-at-20-24-weeks-of-gestation-can-predict-reduced-fetal-size-later-in-pregnancy-or-at-birth
#16
Edgar Hernandez-Andrade, Eli Maymon, Offer Erez, Homam Saker, Suchaya Luewan, Maynor Garcia, Hyunyoung Ahn, Adi L Tarca, Bogdan Done, Steven J Korzeniewski, Sonia S Hassan, Roberto Romero
AIM: To determine whether Doppler evaluation at 20-24 weeks of gestation can predict reduced fetal size later in pregnancy or at birth. METHODS: Fetal biometry and Doppler velocimetry were performed in 2,986 women with a singleton pregnancy at 20-24 weeks of gestation. Predictive performances of the umbilical artery pulsatility index (UA-PI) or the mean uterine artery pulsatility index (UtA-PI) >95th percentile, middle cerebral artery pulsatility index, or cerebroplacental ratio (CPR) <5th percentile for early small for gestational age (SGA; <34 weeks of gestation), late SGA (≥34 weeks of gestation), or SGA at birth (birthweight <10th percentile) were analyzed...
September 20, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28802114/embryonic-and-fetal-morphology-in-the-lowland-paca-cuniculus-paca-a-precocial-hystricomorph-rodent
#17
Hani Rocha El Bizri, Frederico Ozanan Barros Monteiro, Rafael Dos Santos de Andrade, João Valsecchi, Diva Anelie de Araújo Guimarães, Pedro Mayor
In mammals, the embryonic and fetal development of a species has evolved to maximize neonatal survival. In this study, we use a sample of 132 embryos/fetuses of wild lowland paca (Cuniculus paca), obtained over a period of 15 years through collaborative methods with local hunters in the Amazon to describe the intrauterine development of external and internal morphology of this Neotropical rodent. We also compare the newborn survival strategy in this species with other rodents. The crown-rump length (CRL) ranged between 0...
August 3, 2017: Theriogenology
https://www.readbyqxmd.com/read/28782146/cerebroplacental-ratio-in-reduced-fetal-movements-evidence-for-worsening-fetal-hypoxemia
#18
Julia Binder, Caitriona Monaghan, Baskaran Thilaganathan, José Morales-Roselló, Asma Khalil
OBJECTIVE: To investigate the fetal cerebroplacental ratio (CPR) in women presenting with reduced fetal movements (RFM). METHODS: This is a retrospective cohort study conducted over a 7-year period at a Fetal Medicine Unit at a tertiary referral centre. 4500 singleton pregnancies presenting with RFM after 36 weeks' gestation and 1527 control pregnancies at a similar gestation without RFM were analysed. Fetal biometry and Doppler parameters were recorded and converted into centiles and multiples of the median (MoM)...
August 7, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28755531/the-role-of-ultrasound-in-the-prediction-of-birth-weight-discordance-in-twin-pregnancies-are-we-there-yet
#19
Ana Raquel Neves, Filipa Nunes, Miguel Branco, Maria do Céu Almeida, Isabel Santos Silva
OBJECTIVE: To analyze the accuracy of ultrasound prediction of birth weight discordance (BWD) and the influence of chorionicity and fetal growth restriction (FGR) on ultrasound performance. METHODS: Retrospective analysis of 176 twin pregnancies at a Portuguese tertiary center, between 2008 and 2014. Last ultrasound biometry was recorded. Cases with delivery before 24 weeks, fetal malformations, interval between last ultrasound and deliver >3 weeks, twin-to-twin transfusion syndrome and monoamniotic pregnancies were excluded...
July 29, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28753739/z-scores-for-fetal-left-atrial-size-and-left-atrium-descending-aorta-distance-in-fetuses-with-isolated-total-anomalous-pulmonary-venous-connection
#20
Yan Kai Mao, Bo Wen Zhao, Feng Hua Zheng, Bei Wang, Xiao Hui Peng, Ran Chen, Mei Pan
OBJECTIVES: To construct Z-score reference ranges for fetal left atrial (LA) size and left atrium-descending aorta distance (LDD or 'post-LA distance') at 20 to 40 weeks' gestation and to compare these parameters between fetuses with isolated total anomalous pulmonary venous connection (TAPVC) and normal fetuses. METHODS: Three hundred thirty-three normal singleton fetuses from 20 to 40 weeks' gestation were enrolled in a prospective cross-sectional study. Six cardiovascular dimensions were obtained by two-dimensional echocardiography...
October 2017: Prenatal Diagnosis
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