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https://www.readbyqxmd.com/read/29779414/the-effect-of-intrauterine-growth-on-leukocyte-telomere-length-at-birth
#1
Alketa Stefa, Agaristi Lamprokostopoulou, Despina D Briana, Anna Kontogeorgou, Ifigeneia Papageorgiou, Ariadne Malamitsi-Puchner, Ourania Tsitsilonis, Sarantis Gagos, Evangelia Charmandari
OBJECTIVE: Telomeres are specialized nucleoprotein structures located at the ends of chromosomes, which play a crucial role in genomic stability. Telomere shortening has been proposed as a biomarker for the onset of age-related diseases. This study aimed to determine whether restricted or increased intrauterine growth affects leukocyte telomere length (LTL) at birth. MATERIAL AND METHODS: One hundred sixty five (n = 165) full-term neonates participated in the study...
May 20, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29779040/association-between-unexplained-thickened-nuchal-translucency-and-adverse-pregnancy-outcomes
#2
Santee Tiyatha, Sirinart Sirilert, Ratanaporn Sekararithi, Theera Tongsong
OBJECTIVE: To determine the association between unexplained increased nuchal translucency (INT) and adverse pregnancy outcomes. PATIENTS AND METHODS: The prospective database of our fetal down screening project was accessed to retrieve the records with NT measurement and complete follow-up. Pregnancies with pre-existing medical diseases, fetal chromosomal or structural abnormalities were excluded. The selected pregnancies were classified into the INT groups (> 95th percentile), the normal (< 95th percentile) group...
May 19, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29778808/maternal-treatment-with-a-placental-targeted-antioxidant-mitoq-impacts-offspring-cardiovascular-function-in-a-rat-model-of-prenatal-hypoxia
#3
Mais M Aljunaidy, Jude S Morton, Raven Kirschenman, Tom Phillips, C Patrick Case, Christy-Lynn M Cooke, Sandra T Davidge
Intrauterine growth restriction, a common consequence of prenatal hypoxia, is a leading cause of fetal morbidity and mortality with a significant impact on population health. Hypoxia may increase placental oxidative stress and lead to an abnormal release of placental-derived factors, which are emerging as potential contributors to developmental programming. Nanoparticle-linked drugs are emerging as a novel method to deliver therapeutics targeted to the placenta and avoid risking direct exposure to the fetus...
May 17, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29778069/differential-correlations-between-maternal-hair-levels-of-tobacco-and-alcohol-with-fetal-growth-restriction-clinical-subtypes
#4
Sally Sabra, Ebba Malmqvist, Laura Almeida, Eduard Gratacos, Maria Dolores Gomez Roig
Maternal exposure to tobacco and alcohol is a known cause, among others, for fetal growth restriction (FGR). Clinically, FGR can be subclassified into two forms: intrauterine growth restriction (IUGR) and small for gestational age (SGA), based on the severity of the growth retardation, and abnormal uterine artery Doppler or cerebro-placental ratio. This study aimed at investigating any differential correlation between maternal exposures to these toxins with the two clinical forms of FGR. Therefore, a case-control study was conducted in Barcelona, Spain...
January 4, 2018: Alcohol
https://www.readbyqxmd.com/read/29775476/maternal-asthma-is-associated-with-increased-risk-of-perinatal-mortality
#5
Mari Kemppainen, Anna-Maria Lahesmaa-Korpinen, Paula Kauppi, Martti Virtanen, Suvi M Virtanen, Riitta Karikoski, Mika Gissler, Turkka Kirjavainen
BACKGROUND: Asthma is the most common chronic disease during pregnancy and it may have influence on pregnancy outcome. OBJECTIVES: Our goal was to assess the association between maternal asthma and the perinatal risks as well as possible effects of asthma medication. METHODS: The study was based on a nationwide Finnish register-based cohort between the years 1996 and 2012 in the Drug and Pregnancy Database. The register data comprised 962 405 singleton live and stillbirths, 898 333 (93...
2018: PloS One
https://www.readbyqxmd.com/read/29769190/pneumoperitoneum-in-a-neonate-weighing-less-than-500-g-what-do-we-really-know-about-it
#6
Audrienne Sammut, Miguel Soares Oliveira, Claire Jackson, Cristine Sortica da Costa
Pneumoperitoneum in preterm infants is a surgical emergency as it is usually indicative of intestinal perforation. Rare cases of idiopathic pneumoperitoneum have been described in the literature, the underlying causes and pathophysiology of which remain uncertain. We present a case of pneumoperitoneum in an extremely preterm infant with severe growth restriction. This occurred while she was receiving high frequency oscillatory ventilation. She had respiratory distress syndrome with pulmonary interstitial emphysema...
May 16, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29767691/thyroid-hormones-and-female-reproduction
#7
Juneo F Silva, Natália M Ocarino, Rogéria Serakides
Thyroid hormones are vital for the proper functioning of the female reproductive system, since they modulate the metabolism and development of ovarian, uterine and placental tissues. Therefore, hypo- and hyperthyroidism may result in subfertility or infertility in both women and animals. Other well-documented sequelae of maternal thyroid dysfunctions include menstrual/estral irregularity, anovulation, abortion, preterm delivery, preeclampsia, intrauterine growth restriction, postpartum thyroiditis, and mental retardation in children...
May 14, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29764256/strategies-for-the-prediction-of-late-preeclampsia
#8
Raquel Mula, Eva Meler, Gerard Albaiges, Ignacio Rodriguez
OBJECTIVES: To evaluate different strategies for the prediction of late preeclampsia. METHODS: A retrospective study was undertaken. A predictive model including maternal parameters (maternal age, maternal BMI, maternal history of preeclampsia or intrauterine growth restriction (PE/IUGR) or maternal chronic disease, and maternal arterial pressure) and mean pulsatility index (PI) of uterine Doppler was created. It was evaluated as an independent model in each trimester, considering 11-13...
May 15, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29764231/important-considerations-in-pregnant-patients-with-lupus-nephritis
#9
Gabriella Moroni, Claudio Ponticelli
In the last few decades, identification of predictors of pregnancy outcome and appropriate pregnancy planning have significantly reduced the maternal and fetal risks in pregnant women with lupus nephritis. Areas covered: Successful pregnancies have been reported even in women with chronic renal disease and renal insufficiency. However, refractory hypertension and severe renal or cardiac chronic dysfunction are still considered contraindications to pregnancy. Pre-term delivery and fetal growth restriction may still occur in SLE patients more frequently than in healthy women, even in pregnancies regularly planned and monitored by a team of nephrologists and gynaecologists...
May 15, 2018: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/29763885/intrauterine-growth-restriction-affects-cerebellar-granule-cells-in-the-developing-guinea-pig-brain
#10
Mary Tolcos, Annie McDougall, Amy Shields, Yoonyoung Chung, Rachael O'Dowd, Ann Turnley, Megan Wallace, Sandra Rees
Intrauterine growth restriction (IUGR) can lead to adverse neurodevelopmental sequelae in postnatal life. However, the effects of IUGR on the cerebellum are still to be fully elucidated. A major determinant of growth and development of the cerebellum is proliferation and subsequent migration of cerebellar granule cells. Our objective was to determine whether IUGR, induced by chronic placental insufficiency (CPI) in guinea pigs, results in abnormal cerebellar development due to deficits suggestive of impaired granule cell proliferation and/or migration...
May 15, 2018: Developmental Neuroscience
https://www.readbyqxmd.com/read/29763608/early-prognostic-factors-of-outcomes-in-monochorionic-twin-pregnancy-systematic-review-and-meta-analysis
#11
REVIEW
Fiona L Mackie, Matthew J Hall, R Katie Morris, Mark D Kilby
OBJECTIVE: Assess ability of first trimester pregnancy related factors (ultrasound measurements, maternal characteristics, biomarkers) to predict complications in monochorionic twin pregnancies DATA SOURCES: MEDLINE, EMBASE, ISI Web of Science, CINAHL, the Cochrane Central Registration of Controlled Trials and Research Registers, and Google Scholar, from inception to 12 May 2017. Grey literature and bibliographies of articles were checked. STUDY ELIGIBILITY CRITERIA: Studies that reported ultrasound measurements, maternal characteristics, or potential biomarkers, measured in the first trimester in monochorionic diamniotic twin pregnancies, where the potential prognostic ability between the variable and twin-twin transfusion syndrome, growth restriction, or intrauterine fetal death could be assessed...
May 12, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29763474/early-prenatal-alcohol-exposure-alters-imprinted-gene-expression-in-placenta-and-embryo-in-a-mouse-model
#12
Heidi Marjonen, Mia Toivonen, Laura Lahti, Nina Kaminen-Ahola
Prenatal alcohol exposure (PAE) can harm the embryonic development and cause life-long consequences in offspring's health. To clarify the molecular mechanisms of PAE we have used a mouse model of early alcohol exposure, which is based on maternal ad libitum ingestion of 10% (v/v) ethanol for the first eight days of gestation (GD 0.5-8.5). Owing to the detected postnatal growth-restricted phenotype in the offspring of this mouse model and both prenatal and postnatal growth restriction in alcohol-exposed humans, we focused on imprinted genes Insulin-like growth factor 2 (Igf2), H19, Small Nuclear Ribonucleoprotein Polypeptide N (Snrpn) and Paternally expressed gene 3 (Peg3), which all are known to be involved in embryonic and placental growth and development...
2018: PloS One
https://www.readbyqxmd.com/read/29759932/examining-the-link-between-placental-pathology-growth-restriction-and-stillbirth
#13
REVIEW
Robert M Silver
Stillbirth, often defined as death of a fetus ≥20 weeks of gestation, is emotionally devastating for families and caregivers. It is often associated with fetal growth restriction (FGR). Indeed, FGR or small-for-gestational age fetus (SGA) is a major risk factor for stillbirth. In rare cases, this is due to genetic abnormalities or infections. However, in most cases, it is linked to placental insufficiency. This may be due to abnormal placental development or placental damage, thereby resulting in decreased blood flow, oxygen, and nutrients to the fetus...
March 26, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29757275/isolation-of-primary-human-decidual-cells-from-the-fetal-membranes-of-term-placentae
#14
Tali Farine, Michael Parsons, Stephen Lye, Oksana Shynlova
The decidua, also known as the pregnant endometrium, is a critically important reproductive tissue. Decidual cells, comprised mainly of decidualized stromal cells and immune cells, are responsible for the secretion of hormonal and inflammatory factors which are critical for successful blastocyst implantation, placental development and play a role in the initiation of labor at term and preterm. Many pregnancy complications can arise from perturbations of a fine balance of different cell populations comprising decidua...
April 30, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29756708/hypercalcemia-and-hypophosphatemia-among-preterm-infants-receiving-aggressive-parenteral-nutrition
#15
Pablo H Brener Dik, María F Galletti, Leticia T Bacigalupo, Silvia Fernández Jonusas, Gonzalo L Mariani
INTRODUCTION: Aggressive parenteral nutrition is the standard of care among very-low-birth weight preterm infants. However, in recent studies, its impact on short-term outcomes, has been evaluated. The objective was to compare the prevalence of hypercalcemia and hypophosphatemia among preterm infants receiving aggressive or standard parenteral nutrition. METHODS: Observational, retrospective study comparing a group of preterm infants weighing less than 1250 grams who received aggressive parenteral nutrition with a historical control group...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29755036/pregnancy-related-risk-factors-are-associated-with-a-significant-burden-of-treated-hypertension-within-10-years-of-delivery-findings-from-a-population-based-norwegian-cohort
#16
Grace M Egeland, Svetlana Skurtveit, Anne Cathrine Staff, Geir Egil Eide, Anne-Kjersti Daltveit, Kari Klungsøyr, Lill Trogstad, Per M Magnus, Anne Lise Brantsæter, Margaretha Haugen
BACKGROUND: The association between pregnancy complications and women's later cardiovascular disease has, primarily, been evaluated in studies lacking information on important covariates. This report evaluates the prospective associations between pregnancy-related risk factors (preeclampsia/eclampsia, gestational hypertension, pregestational and gestational diabetes mellitus, preterm delivery, and fetal growth restriction) and pharmacologically treated hypertension within 10 years after pregnancy, while adjusting for a wide range of covariates...
May 13, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29753845/gestational-di-2-ethylhexyl-phthalate-exposure-causes-fetal-intrauterine-growth-restriction-through-disturbing-placental-thyroid-hormone-receptor-signaling
#17
Zhen Yu, Yan Han, Ru Shen, Kun Huang, Yuan-Yuan Xu, Qu-Nan Wang, Shan-Shan Zhou, De-Xiang Xu, Fang-Biao Tao
Previous study reported that gestational Di-(2-ethylhexyl) phthalate (DEHP) exposure caused fetal intrauterine growth restriction (IUGR). We aimed to investigate the role of placental thyroid hormone receptor (THR) signaling in DEHP-induced IUGR. Dams were treated with DEHP (50 or 200 mg/kg) by gavage daily throughout pregnancy. As expected, gestational DEHP exposure dose-dependently caused fetal IUGR. The mRNA levels of placental Thrα1 and Thrβ1 were reduced and nuclear translocation of placental THRα1 and THRβ1 were suppressed in DEHP-exposed mice even though thyroid hormones in maternal and fetal sera were unaffected...
May 10, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29753694/physiological-adaptation-of-the-growth-restricted-fetus
#18
REVIEW
Karel Maršál
The growth-restricted fetus in utero is exposed to a hostile environment and suffers undernutrition and hypoxia. To cope with the stress, the fetus changes its physiological functions. These adaptive changes aid intrauterine survival; however, they can lead to permanent functional and structural changes that can contribute to the development of serious chronic diseases later in life. Epigenetic mechanisms are an important part of the pathophysiological processes behind this "developmental origin of adult diseases...
February 24, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29752389/pregnancy-in-women-with-a-fontan-circulation-a-systematic-review-of-the-literature
#19
Alvaro Garcia Ropero, Shankar Baskar, Jolien W Roos Hesselink, Andrea Girnius, Dominica Zentner, Lorna Swan, Magalie Ladouceur, Nicole Brown, Gruschen R Veldtman
BACKGROUND: The Fontan operation has provided life-saving palliation and adult survival for individuals born with single ventricle physiology. Many now seek advice about safe pregnancy. Little data are, however, available, consisting mainly of anecdotal experience and small series. This article seeks to review the published literature and identify lessons learnt from this collective experience. METHODS AND RESULTS: We conducted a systematic review to evaluate maternal and fetal outcomes of pregnancy in women with a Fontan circulation...
May 2018: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29751401/exposure-to-pfdoa-causes-disruption-of-the-hypothalamus-pituitary-thyroid-axis-in-zebrafish-larvae
#20
Shengnan Zhang, Xiaochun Guo, Shaoyong Lu, Nan Sang, Guangyu Li, Ping Xie, Chunsheng Liu, Liguo Zhang, Yi Xing
Perfluorododecanoic acid (PFDoA), a kind of perfluorinated carboxylic acid (PFCA) with 12 carbon atoms, has an extensive industrial utilization and is widespread in both wildlife and the water environment, and was reported to have the potential to cause a disruption in the thyroid hormone system homeostasis. In this study, zebrafish embryos/larvae were exposed to different concentrations of PFDoA (0, 0.24, 1.2, 6 mg/L) for 96 h post-fertilization (hpf). PFDoA exposure caused obvious growth restriction connected with the reduced thyroid hormones (THs) contents in zebrafish larvae, strengthening the interference effect on the growth of fish larvae...
April 2018: Environmental Pollution
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