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https://www.readbyqxmd.com/read/28215052/predicting-pregnancy-outcomes-using-longitudinal-information-a-penalized-splines-mixed-effects-model-approach
#1
Rolando De la Cruz, Claudio Fuentes, Cristian Meza, Dae-Jin Lee, Ana Arribas-Gil
We propose a semiparametric nonlinear mixed-effects model (SNMM) using penalized splines to classify longitudinal data and improve the prediction of a binary outcome. The work is motivated by a study in which different hormone levels were measured during the early stages of pregnancy, and the challenge is using this information to predict normal versus abnormal pregnancy outcomes. The aim of this paper is to compare models and estimation strategies on the basis of alternative formulations of SNMMs depending on the characteristics of the data set under consideration...
February 19, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28214921/vitamin-d-administration-during-pregnancy-as-prevention-for-pregnancy-neonatal-and-postnatal-complications
#2
REVIEW
Carol L Wagner, Bruce W Hollis, Kalliopi Kotsa, Hana Fakhoury, Spyridon N Karras
Pregnancy represents a time of rapid bodily change, which includes physical proportions, physiology and responsibility. At this context, maternal vitamin D stores have been the objective of extensive scientific research during the last decades, focusing on their potential effects on maternal an neonatal health. A growing body of observational studies indicated that maternal hypovitaminosis D (as defined by maternal 25-hydroxyvitamin D [25(OH)D] levels <20 ng/ml or <50 nmol/l) is a significant risk factor for adverse neonatal outcomes including asthma, multiple sclerosis and other neurological disorders...
February 18, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28214898/early-development-of-parvalbumin-somatostatin-and-cholecystokinin-expressing-neurons-in-rat-brain-following-prenatal-immune-activation-and-maternal-iron-deficiency
#3
Patricia Boksa, Ying Zhang, Dominique Nouel, Alice Wong, Tak Pan Wong
Prenatal maternal infection and maternal iron deficiency during pregnancy are 2 early environmental insults associated with increased risk for schizophrenia in offspring. Substantial evidence suggests that abnormalities in inhibitory γ-aminobutyric acid (GABA) interneuron function, especially in the parvalbumin subtype of GABA interneuron, both developmentally and in adulthood, may contribute mechanistically to cognitive deficits and psychotic symptoms in schizophrenia. This study used a rat model to test whether prenatal immune activation with lipopolysaccharide (LPS; at gestation days, GD, 15 and 16) or maternal iron deficiency (from GD2 to postnatal day P7) or the combination of both insults alters major subtypes of GABAergic interneurons (parvalbumin, somatostatin, cholecystokinin) in brain regions relevant to schizophrenia (medial and dorsolateral prefrontal cortex [PFC], hippocampal CA1 and dentate gyrus, ventral subiculum) in offspring at P14 or P28...
February 18, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28214871/restraint-stress-during-pregnancy-rapidly-raises-kynurenic-acid-levels-in-mouse-placenta-and-fetal-brain
#4
Francesca M Notarangelo, Robert Schwarcz
Stressful events during pregnancy adversely affect brain development and may increase the risk of psychiatric disorders later in life. Early changes in the kynurenine (KYN) pathway (KP) of tryptophan (TRP) degradation, which contains several neuroactive metabolites, including kynurenic acid (KYNA), 3-hydroxykynurenine (3-HK), and quinolinic acid (QUIN), may constitute a molecular link between prenatal stress and delayed pathological consequences. To begin testing this hypothesis experimentally, we examined the effects of a 2-h restraint stress on KP metabolism in pregnant FVB/N mice on gestational day 17...
February 18, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28214855/fatty-acid-binding-protein-4-in-endometrial-epithelium-is-involved-in-embryonic-implantation
#5
Peng Wang, Qiuyuan Zhu, Huilian Peng, Mengkai Du, Minyue Dong, Hanzhi Wang
AIMS: To clarify the role of fatty acid-binding protein 4 (FABP4) of endometrial epithelial cell in the establishment and maintenance of pregnancy and the involvement in the pathogenesis of pregnancy loss. METHODS: The expression of FABP4 and uterine receptive factor (LIF, Integrin-β3 and Claudin 4) was determined by Western blotting or quantitative PCR. FABP4 siRNA was used to silence FABP4 while FABP4 inhibitor was used to inhibit the function of FABP4 in endometrial epithelial cell...
January 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214760/genotyping-analysis-of-protein-s-tokushima-k196e-and-the-involvement-of-protein-s-antigen-and-activity-in-patients-with-recurrent-pregnancy-loss
#6
Yasushi Matsukawa, Eriko Asano, Tomohide Tsuda, Hiroyuki Kuma, Tamao Kitaori, Kinue Katano, Yasuhiko Ozaki, Mayumi Sugiura-Ogasawara
OBJECTIVE: Preston et al. indicated that Protein S (PS) deficiency was associated with stillbirths but not miscarriages. The PS-Tokushima missense variant was reported to serve as a genetic risk factor for deep vein thrombosis in the Japanese population. A previous cross-sectional study showed no increase in the prevalence of PS-Tokushima in patients with recurrent early pregnancy loss or in patients with intra uterine fetal death and/or fetal growth restriction. There has been limited number of prospective studies examining the pregnancy outcome in patients with both a PS deficiency and recurrent pregnancy loss (RPL)...
February 8, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28214759/the-role-of-hcg-increment-in-the-48h-prior-to-methotrexate-treatment-as-a-predictor-for-treatment-success
#7
Aviad Cohen, Benny Almog, Yoni Cohen, Guy Bibi, Eli Rimon, Ishai Levin
OBJECTIVE: To evaluate the role HCG change in the 48h prior to methotrexate treatment as a predictor for treatment success. STUDY DESIGN: Medical records of all women who were diagnosed with ectopic pregnancy between January 2001 and June 2013 were reviewed. Four hundred and nine patients received methotrexate due to ectopic pregnancy. The "single dose" methotrexate protocol with 50mg/m(2) was administered to patients with progressing ectopic pregnancy. HCG levels in days 1, 4 and 7 were used to evaluate methotrexate treatment success...
February 9, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28214517/removing-barriers-to-contraception-through-use-of-criteria-to-assess-pregnancy-risk
#8
Naomi K Tepper, Kathryn M Curtis, Tara C Jatlaoui, Maura K Whiteman
No abstract text is available yet for this article.
February 15, 2017: Contraception
https://www.readbyqxmd.com/read/28214435/evaluation-of-fertility-after-operative-hysteroscopy-to-remove-retained-products-of-conception
#9
Louise Sonnier, Antoine Torre, Pauline Broux, Arnaud Fauconnier, Cyrille Huchon
: Evaluation of fertility after operative hysteroscopy to remove retained products of conception. OBJECTIVE: To study fertility after operative hysteroscopy for the management of prolonged trophoblastic retention, and the complications of this procedure. STUDY DESIGN: Retrospective cohort in a university hospital. RESULTS: 115 patients underwent operative hysteroscopy for the treatment of prolonged post-partum and post-abortum retention between January 2008 and December 2011...
February 6, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28214384/placental-pathology-in-hiv-infection-at-term-a-comparison-with-hiv-uninfected-women
#10
Emma Kalk, Pawel Schubert, Julie A Bettinger, Mark F Cotton, Monika Esser, Amy Slogrove, Colleen A Wright
OBJECTIVES: To describe and correlate placental characteristics from pregnancies in HIV-infected and HIV-negative women with maternal and infant clinical and immunological data. METHODS: Prospective descriptive study of placentas from term, uncomplicated vaginal births in a cohort of HIV-infected (n=120) and HIV-negative (n=103) women in Cape Town, South Africa. Microscopic and macroscopic features were used to determine pathological cluster diagnoses. The majority of HIV-infected women received some form of drug treatment for the prevention of vertical transmission of HIV...
February 18, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28214181/-adult-immunisation-general-points-hot-topics-and-perspectives
#11
P Loubet, O Launay
Vaccination in immunocompetent adult mainly concerns booster vaccination against diphtheria, tetanus, polio and pertussis. Some chronic diseases may also require the achievement of pneumococcal and influenza vaccines. In addition, from the age of 65, annual influenza vaccination as well as one dose of a live attenuated shingles vaccine between 64 and 75 years are recommended. Immunocompromised adults, due to the increased risk of serious infections responsible of significant morbidity and mortality, are particularly concerned by vaccination...
February 14, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28214043/-i-just-want-to-be-normal-a-qualitative-study-of-pregnant-women-s-blogs-who-present-themselves-as-overweight-or-obese
#12
Lovisa Lingetun, Madicken Fungbrant, Ing-Marie Claesson, Christina Baggens
OBJECTIVE: to describe what pregnant women who present themselves as overweight or obese write about their pregnancy in their blogs. SETTING: Swedish private blogs. DESIGN: a qualitative study, using 13 Internet blogs as the source of data. Google was used to find the blogs. The blog content was analysed using thematic analysis. FINDINGS: three main themes were identified: Pregnancy as an excuse, Perspectives on the pregnant body and Becoming a mother...
January 31, 2017: Midwifery
https://www.readbyqxmd.com/read/28213921/maternal-igf1-and-igf1r-polymorphisms-and-the-risk-of-spontaneous-preterm-birth
#13
Jian-Rong He, Yu-Mian Lai, Hui-Hui Liu, Guang-Jian Liu, Wei-Dong Li, Xue-Jiao Fan, Xue-Ling Wei, Xiao-Yan Xia, Ya-Shu Kuang, Xiao-Dan Liu, Nian-Nian Chen, Jin-Hua Lu, Qiao-Zhu Chen, Wei-Bi Mai, Hui-Min Xia, Xiu Qiu
BACKGROUND: The insulin-like growth factor (IGF) pathway was involved in the occurrence of spontaneous preterm birth (SPTB), but little is known regarding the relationship between genetic variations in IGF pathway and the risk of SPTB. We aimed to investigate the associations of IGF1 rs972936 and IGF1 receptor (IGF1R) rs2229765 polymorphisms with SPTB risk in a Chinese population. METHOD: A total of 114 cases of SPTB and 250 controls of term delivery were included from Guangzhou Women and Children's Medical Center, China...
February 18, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28213594/brighter-children-the-association-between-seasonality-of-birth-and-child-iq-in-a-population-based-birth-cohort
#14
Nina H Grootendorst-van Mil, Régine P M Steegers-Theunissen, Albert Hofman, Vincent W V Jaddoe, Frank C Verhulst, Henning Tiemeier
OBJECTIVE: Season of birth has repeatedly been found to be a risk indicator for adverse neurodevelopmental outcomes. Several explanations for this finding have been put forward but no conclusion has been reached. In the current study, we explored the role of sociodemographic and biological factors in the association between season of birth and child IQ. DESIGN: In a prenatally recruited birth cohort (born in 2002-2006), we examined the association between season of birth and non-verbal IQ at age 6 years among 6034 children...
February 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28213434/malaria-during-pregnancy
#15
Michal Fried, Patrick E Duffy
One hundred and twenty-five million women in malaria-endemic areas become pregnant each year (see Dellicour et al. PLoS Med7: e1000221 [2010]) and require protection from infection to avoid disease and death for themselves and their offspring. Chloroquine prophylaxis was once a safe approach to prevention but has been abandoned because of drug-resistant parasites, and intermittent presumptive treatment with sulfadoxine-pyrimethamine, which is currently used to protect pregnant women throughout Africa, is rapidly losing its benefits for the same reason...
February 17, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28213059/multidisciplinary-team-learning-in-the-management-of-the-morbidly-adherent-placenta-outcome-improvements-over-time
#16
Alireza A Shamshirsaz, Karin A Fox, Hadi Erfani, Steven L Clark, Bahram Salmanian, B Wycke Baker, Michael Coburn, Amir A Shamshirsaz, Zhoobin H Bateni, Jimmy Espinoza, Ahmed A Nassr, Edwina J Popek, Shiu-Ki Hui, Jun Teruya, Celestine Shauching Tung, Jeffery A Jones, Martha Rac, Gary A Dildy, Michael A Belfort
BACKGROUND: Morbidly adherent placenta (MAP) is a serious obstetric complication causing mortality and morbidity. OBJECTIVE: To evaluate whether outcomes of patients with morbidly adherent placenta improve with increasing experience within a well-established multidisciplinary team at a single referral center. STUDY DESIGN: All singleton pregnancies with pathology-confirmed MAP (including placenta accreta, increta or percreta) managed by a multidisciplinary team between January 2011 and August 2016 were included in this retrospective study...
February 14, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28213010/the-pathogenesis-and-pathophysiology-of-gestational-diabetes-mellitus-deductions-from-a-three-part-longitudinal-metabolomics-study-in-china
#17
REVIEW
Kai P Law, Hua Zhang
Gestational diabetes mellitus (GDM) is a form of diabetes that is first recognised during pregnancy, with no evidence of pre-existing type 1 or type 2 diabetes. The prevalence of GDM has been rising steadily over the past few decades, coinciding with the ongoing epidemic of obesity and type 2 diabetes. Although GDM normally disappears after delivery, women who have been previously diagnosed with GDM are at a greater risk of developing gestational diabetes in subsequent pregnancies, and type 2 diabetes later in life...
February 14, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28212958/economic-evaluations-comparing-a-trial-of-labor-with-an-elective-repeat-cesarean-delivery-a-systematic-review
#18
REVIEW
Anna Joy Rogers, Nathaniel G Rogers, Meredith L Kilgore, Akila Subramaniam, Lorie M Harper
BACKGROUND: For women who have had a previous low transverse cesarean delivery, the decision to undergo a trial of labor after cesarean (TOLAC) or an elective repeat cesarean delivery (ERCD) has important clinical and economic ramifications. OBJECTIVES: To evaluate the cost-effectiveness of the alternative choices of a TOLAC and an ERCD for women with low-risk, singleton gestation pregnancies. METHODS: We searched EMBASE, MEDLINE, CINAHL, Cochrane Library, EconLit, and the Cost-Effectiveness Analysis Registry with no language, publication, or date restrictions up until October 2015...
January 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28212940/hippocampal-nr3c1-dna-methylation-can-mediate-part-of-preconception-paternal-stress-effects-in-rat-offspring
#19
Somayeh Niknazar, Arezo Nahavandi, Ali Asghar Peyvandi, Hassan Peyvandi, Navid Ahmady Roozbahany, Hojjat-Allah Abbaszadeh
Many studies have been shown that maternal stress during pregnancy and in early life period influences offspring in the behavioral and molecular aspects in human and animal models. Recent research has indicated that the environmental condition of males before conception has effects on next generations. We evaluated whether preconception paternal stress (PPS) could influence on hippocampal glucocorticoid receptor gene (GR), (NR3C1) expression, corticosterone response and behavioral outcomes of their offspring...
February 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28212920/neonatal-lupus-follow-up-in-infants-with-anti-ssa-ro-antibodies-and-review-of-the-literature
#20
REVIEW
Antonio Alberto Zuppa, Riccardo Riccardi, Simonetta Frezza, Francesca Gallini, Rita Maria Paola Luciano, Giovanni Alighieri, Costantino Romagnoli, Sara De Carolis
Neonatal Lupus Syndrome (NLS) is a distinct clinical entity caused by transplacental passage of maternal anti-SSA/Ro antibodies (Ab). Mothers may have systemic lupus erythematosus, Sjögren syndrome, or other connective tissue disease, or may be completely healthy at the time of giving birth. NLS includes several clinical manifestations: complete congenital heart block (CCHB) and cutaneous lupus are the most common, while hepatobiliary disease, hematological manifestations and central nervous system involvement may occur...
February 14, 2017: Autoimmunity Reviews
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