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https://www.readbyqxmd.com/read/28332771/prenatal-high-fat-diet-alters-placental-morphology-nutrient-transporter-expression-and-mtorc1-signaling-in-rat
#1
Lin Song, Bo Sun, Gretha J Boersma, Zachary A Cordner, Jianqun Yan, Timothy H Moran, Kellie L K Tamashiro
OBJECTIVE: This study aimed to determine how the rat placenta and fetus respond to maternal high-fat (HF) diet during gestation and to identify the possible mechanisms. METHODS: Pregnant Sprague-Dawley rats were fed with standard chow (13.5% fat) or HF (60% fat) diet during gestation. Placentas were collected on gestation day 21. RESULTS: HF dams had greater fat mass, higher plasma leptin, lower plasma adiponectin, and impaired glucose tolerance during pregnancy...
March 23, 2017: Obesity
https://www.readbyqxmd.com/read/28332212/accuracy-of-sonographic-fetal-weight-estimation-prior-to-delivery-in-a-chinese-han-population
#2
Yao Shen, WeiXiu Zhao, JianHua Lin, FangSun Liu
OBJECTIVE: To compare the sonographic-estimated fetal weights (EFW) calculated with the Hadlock formula and with the Woo formula in a group of Chinese pregnant women. METHODS: We prospectively recruited term pregnancies for sonographic biometric examination. EFWs were calculated according to two formulas and compared with the corresponding birth weight (BW). We also assessed the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of EFW for the diagnosis of small-for-gestational age (SGA) and large-for-gestational age (LGA) neonates...
March 23, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28320232/evaluation-of-the-adequacy-of-hadlock-s-reference-chart-for-identification-of-fetuses-with-growth-restriction
#3
Ana Lúcia de Freitas Alves, Ana Alice Vidal de Carvalho, José Antônio Bastos de Carvalho, Israel Figueiredo
OBJECTIVE: This study aimed to verify whether Hadlock's reference values for fetal weight identify fetuses below the 10th percentile in our population correctly. METHODS: The fitness of the Hadlock reference range to our study population was tested by assessment of Z scores. We evaluated differences between the reference weight ranges proposed in our study and those recommended by Hadlock. RESULTS: Z scores for Hadlock reference values were non-normally distributed...
March 21, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28319104/diabetes-consequences-in-the-fetus-liver-of-the-non-obese-diabetic-mice
#4
M B Aires, A C V Dos Santos, M S Kubrusly, A C de Lima Luna, L A C D'Albuquerque, D A Maria
DM type 1 (T1D) incidence is increasing around 3% every year and represents risks for maternal and fetal health. The objective of this study was to explore the effects of diabetes on fetus liver cells in non-obese diabetic (NOD) mice. Hyperglycemic NOD (HNOD), normoglycemic NOD (NNOD) and BALB/c females were used for mating, and the fetus livers were collected at 19.5 gestation day (gd). HNOD group had reduced fetal weight (989.5±68.32 vs 1290±57.39 mg BALB/c, P<0.05) at 19.5 gd and higher glycemia (516...
March 20, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28295809/a-new-method-to-predict-the-need-for-a-rashkind-procedure-in-fetuses-with-dextro-transposition-of-the-great-arteries
#5
Maciej Słodki, Roland Axt-Fliedner, Katarzyna Zych-Krekora, Aline Wolter, Andreea Kawecki, Christian Enzensberge, Ewa Gulczyńska, Maria Respondek-Liberska
OBJECTIVE: Prenatal congenital heart disease classification system specify critical d-TGA with restriction of the foramen ovale (which requires Rashkind procedure) and planned d-TGA. However, current prenatal diagnostic criteria for post-delivery foramen ovale (FO) restriction in d-TGA are inadequate, resulting in a high false negative rate. We aim to find an echocardiographic features to predict the need for Rashkind procedure. METHODS: 98 patients from 2 European centers diagnosed prenatally with fetal d-TGA from 2006 to 2013 were analyzed and two groups were compared: 1) those in which the Rashkind procedure was performed within the first 24 hours of life; and 2) those who did not undergo a Rashkind procedure before cardiac surgery...
March 14, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28295324/effect-of-fetal-presentation-on-sonographic-estimation-of-fetal-weight-according-to-different-formulas
#6
Anat Shmueli, Amir Aviram, Ron Bardin, Arnon Wiznitzer, Rony Chen, Rinat Gabbay-Benziv
OBJECTIVE: To compare the accuracy of various sonographic estimation of fetal weight (sEFW) formulas for breech-presenting fetuses. METHODS: A retrospective analysis of sEFW performed within 3 days of delivery in a tertiary medical center in Israel between July 2007 and December 2014 was conducted. Breech-presenting singleton fetuses were matched by sex and birth weight to vertex-presenting fetuses. sEFW was calculated using 21 formulas. Systematic and random errors, proportion of estimates (POE) within 10% of actual birth weight, and reliability analysis were used to compare sonographic accuracy...
March 13, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28294442/prediction-of-adverse-perinatal-outcome-by-cerebroplacental-ratio-adjusted-for-estimated-fetal-weight
#7
Angelo Sirico, Anke Diemert, Peter Glosemeyer, Kurt Hecher
OBJECTIVES: The aim of our study was to evaluate the relationship between the cerebroplacental ratio (CPR) and estimated fetal weight (EFW). Furthermore, we evaluated the role of CPR in the prediction of adverse perinatal outcome and whether CPR measurements adjusted for EFW improve its predictive value. METHODS: This is a retrospective cohort study including pregnancies, where Doppler investigations of umbilical artery (UA) and middle cerebral artery (MCA) were performed after 30 weeks...
March 12, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28292876/maternal-exercise-upregulates-mitochondrial-gene-expression-and-increases-enzyme-activity-of-fetal-mouse-hearts
#8
Eunhee Chung, Hayli E Joiner, Tracer Skelton, Kalli D Looten, Maria Manczak, P Hemachandra Reddy
Maternal exercise during pregnancy has been shown to improve the long-term health of offspring in later life. Mitochondria are important organelles for maintaining adequate heart function, and mitochondrial dysfunction is linked to cardiovascular disease. However, the effects of maternal exercise during pregnancy on mitochondrial biogenesis in hearts are not well understood. Thus, the purpose of this study was to test the hypothesis that mitochondrial gene expression in fetal myocardium would be upregulated by maternal exercise...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28288930/assessing-the-effect-of-oral-exposure-to-paenibacillus-alvei-a-potential-biocontrol-agent-in-male-non-pregnant-pregnant-animals-and-the-developing-rat-fetus
#9
Robert L Sprando, Thomas Black, Nicholas Olejnik, Zachary Keltner, Vanessa Topping, Martine Ferguson, Darcy Hanes, Eric Brown, Jie Zheng
Paenibacillus alvei, a naturally occurring soil microorganism, may be used in the control and/or elimination of human/animal pathogens present on/within produce commodities associated with human consumption. The safety of oral exposure to P. alvei in male, nulliparous females, the pregnant dam and developing fetus was assessed. Adult male and female rats received a single oral dose (gavage) of P. alvei and tissues were collected at post exposure days 0, 3 and 14. To evaluate the effect of the test organism on fetal development, sperm positive female rats received the test organism every 3 days thereafter throughout gestation...
March 10, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28282764/influence-of-difficulty-of-instrumentation-with-vacuum-on-the-rate-of-levator-ani-muscle-avulsion-identified-by-3-4%C3%A2-d-transperineal-ultrasound
#10
José Antonio García Mejido, Paloma De la Fuente Vaquero, Ana Fernández Palacín, Adriana Aquise Pino, María José Bonomi Barby, José Antonio Sainz Bueno
OBJECTIVES: Evaluation of the influence of difficulty of instrumentation with vacuum on the rate of levator ani muscle (LAM) avulsions. MATERIALS AND METHODS: Prospective observational study with 86 nulliparous women with at term gestation who required instrumentation with vacuum to complete fetal extraction. After every delivery, each explorer reported the number of vacuum tractions needed to complete fetal extraction, as well as the subjective complexity of the instrumentation...
March 1, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28277922/particulate-matter-pm-10-exposure-birth-and-fetal-placental-weight-and-umbilical-arterial-ph-results-from-a-prospective-study
#11
Niccolò Giovannini, Lianne Schwartz, Sonia Cipriani, Fabio Parazzini, Ilaria Baini, Valentina Signorelli, Irene Cetin
Objective This prospective study aims to analyse the relation between PM10 exposure during pregnancy and birth weight (BW), placental weight (PW) and umbilical artery PH (UAPH). Study design Population included 3614 women born in Italy, living in Lombardia Region, consecutively admitted to the Clinica Mangiagalli for an elective cesarean section from January 2004 through December 2006. Outdoor air quality data were provided by the Department of the Regional Environmental Protection Agency and obtained by a network of fixed monitoring stations representatively distributed in 8 geographical areas...
February 9, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28274155/divergence-of-estimated-fetal-weight-and-birth-weight-in-singleton-fetuses
#12
Alexandros Sotiriadis, Makarios Eleftheriades, Vassileios Papadopoulos, Kosmas Sarafidis, Panagiota Pervanidou, Efstratios Assimakopoulos
OBJECTIVE: To evaluate differences in distribution of estimated fetal weight (EFW) and birth weight (BW) of ongoing fetuses and neonates of the same gestational age. METHODS: Reference curves for EFW (Hadlock BPD-HC-AC-FL formula, N = 1191) and BW (N = 1036) in singleton pregnancies from 24(+0) to 40(+6) gestational weeks were calculated. Multiple pregnancies, fetuses with major or multiple abnormalities or syndromes and iatrogenic preterm deliveries due to preeclampsia or abnormal fetal Doppler were excluded...
March 8, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28271526/sonographic-measurement-of-the-fetal-thymus-relationship-with-maternal-obesity
#13
Melahat Yildirim, Ali Ipek, Gulcan Dauletkazin, Busra Demir Cendek, Saniye Gezegen, Raziye Desdicioglu, Ayse Filiz Avsar Yavuz
BACKGROUND: The purpose of this study was to evaluate the influence of maternal obesity on the size of the fetal thymus. METHODS: The study population consisted of 138 pregnant women who were divided into two groups based on their body mass index (BMI): Normal-weight group (n = 97; BMI: 18-25 kg/m(2) ) and obese group (n = 41; BMI: ≥ 30 kg/m(2) ). All participants underwent routine second-trimester prenatal ultrasound (US) screening at 20-25 weeks of gestation...
March 8, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28267444/a-multicenter-prospective-study-of-neonatal-outcomes-at-less-than-32-weeks-associated-with-indications-for-maternal-admission-and-delivery
#14
Thomas J Garite, C Andrew Combs, Kimberly Maurel, Anita Das, Kevin Huls, Richard Porreco, Dale Reisner, George Lu, Melissa Bush, Bruce Morris, April Bleich
BACKGROUND: Counseling for patients with impending premature delivery has been traditionally based primarily on the projected gestational age at delivery. There are limited data regarding how the indications for the preterm birth affect the neonatal outcome and whether this issue should be taken into account in decisions regarding management and patient counseling. OBJECTIVE: We performed a prospective study of pregnancies resulting in premature delivery at less than 32 weeks to determine the influence of both the Indications for Admission and their associated Indications for Delivery on neonatal mortality and complications of prematurity...
March 3, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28266776/gestational-age-at-diagnosis-of-early-onset-fetal-growth-restriction-and-impact-on-management-and-survival-a-population-based-cohort-study
#15
I Monier, P-Y Ancel, A Ego, I Guellec, P-H Jarreau, M Kaminski, F Goffinet, J Zeitlin
OBJECTIVE: To investigate the impact of gestational age (GA) at diagnosis of fetal growth restriction (FGR) on obstetric management and rates of live birth and survival for very preterm infants with early-onset FGR. DESIGN: Population-based cohort study. SETTING: All maternity units in 25 French regions in 2011. POPULATION: Fetuses diagnosed with FGR before 28 weeks of gestation among singleton births between 22 and 31 weeks of gestation without severe congenital anomalies...
March 7, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28258596/does-maternal-body-mass-index-have-an-effect-on-the-accuracy-of-ultrasound-derived-estimated-birth-weight-a-retrospective-study
#16
Maritza G Gonzalez, Kathryn L Reed, Katherine E Center, Meghan G Hill
OBJECTIVES: The purpose of this study was to investigate the relationship between the maternal body mass index (BMI) and the accuracy of ultrasound-derived birth weight. METHODS: A retrospective chart review was performed on women who had an ultrasound examination between 36 and 43 weeks' gestation and had complete delivery data available through electronic medical records. The ultrasound-derived fetal weight was adjusted by 30 g per day of gestation that elapsed between the ultrasound examination and delivery to arrive at the predicted birth weight...
March 4, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28253366/fetal-growth-trajectories-in-pregnancies-of-european-and-south-asian-mothers-with-and-without-gestational-diabetes-a-population-based-cohort-study
#17
Line Sletner, Anne Karen Jenum, Chittaranjan S Yajnik, Kjersti Mørkrid, Britt Nakstad, Odd Harald Rognerud-Jensen, Kåre I Birkeland, Siri Vangen
OBJECTIVE: Our aim was to examine the impact of gestational diabetes (GDM), from before the GDM-diagnosis is made, on fetal growth trajectories, and to compare it in Europeans and South Asians; two ethnic groups with dissimilar fetal growth patterns. METHODS: We studied European (n = 349) and South Asian (n = 184) pregnant women, from the population-based STORK-Groruddalen cohort in Oslo, Norway. Mothers were enrolled in early pregnancy, screened for GDM in gestational week 28 ±2, and classified as "non-GDM", "mild GDM" or "moderate/severe GDM"...
2017: PloS One
https://www.readbyqxmd.com/read/28245787/maternal-nutrition-modulates-fetal-development-by-inducing-placental-efficiency-changes-in-gilts
#18
Long Che, ZhenGuo Yang, MengMeng Xu, ShengYu Xu, LianQiang Che, Yan Lin, ZhengFeng Fang, Bin Feng, Jian Li, DaiWen Chen, De Wu
BACKGROUND: Intra-uterine growth restriction (IUGR) and fetal overgrowth increase risks to postnatal health. Maternal nutrition is the major intrauterine environmental factor that alters fetal weight. However, the mechanisms underlying the effects of maternal nutrition on fetal development are not entirely clear. We developed a pig model, and using isobaric tags for relative and absolute quantification (iTRAQ), we investigated alterations in the placental proteome of gilts on a normal-energy-intake (Con) and high-energy-intake (HE) diet...
February 28, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28237345/expression-of-vascular-endothelial-growth-factor-vegf-and-factor-viii-in-the-gilt-placenta-and-its-relation-to-fetal-development
#19
Gregório C Guimarães, Lorena A Alves, Rafael P Betarelli, Camila S O Guimarães, Fernanda R Helmo, Carlos D Pereira Júnior, Rosana R M Corrêa, Márcio G Zangeronimo
Vascular endothelial growth factor (VEGF) and von Willebrand factor (Factor VIII) are important components involved in the regulation of vascular development and identification of endothelial cells in many tissues. This study aimed to evaluate the presence of these substances in the placenta of pig fetuses located in different uterine regions and at different gestational ages and correlate them with fetal development. One hundred seventy-five pig fetuses from fifteen gilts slaughtered at 50, 80 and 106 days of pregnancy were used...
April 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28231292/a-systematic-review-of-maternal-smoking-during-pregnancy-and-fetal-measurements-with-meta-analysis
#20
Miriam Abraham, Salem Alramadhan, Carmen Iniguez, Liesbeth Duijts, Vincent W V Jaddoe, Herman T Den Dekker, Sarah Crozier, Keith M Godfrey, Peter Hindmarsh, Torstein Vik, Geir W Jacobsen, Wojciech Hanke, Wojciech Sobala, Graham Devereux, Steve Turner
BACKGROUND: Maternal smoking during pregnancy is linked to reduced birth weight but the gestation at onset of this relationship is not certain. We present a systematic review of the literature describing associations between maternal smoking during pregnancy and ultrasound measurements of fetal size, together with an accompanying meta-analysis. METHODS: Studies were selected from electronic databases (OVID, EMBASE and Google Scholar) that examined associations between maternal smoking or smoke exposure and antenatal fetal ultrasound measurements...
2017: PloS One
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