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https://www.readbyqxmd.com/read/29165547/multiple-imputation-for-incomplete-data-in-epidemiologic-studies
#1
Ofer Harel, Emily M Mitchell, Neil J Perkins, Stephen R Cole, Eric J Tchetgen Tchetgen, BaoLuo Sun, Enrique F Schisterman
Epidemiologic studies are frequently susceptible to missing information. Omitting observations with missing variables remains a common strategy in epidemiologic studies, yet this simple approach can often severely bias parameter estimates of interest if the values are not missing completely at random. Even when missingness is completely random, complete case analysis can reduce efficiency of estimated parameters, because large amounts of available data are simply tossed out with the incomplete observations...
November 20, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29165130/determinants-of-polyunsaturated-fatty-acid-concentrations-in-erythrocytes-of-pregnant-japanese-women-from-a-birth-cohort-study-study-protocol-and-baseline-findings-of-an-adjunct-study-of-the-japan-environment-children-s-study
#2
Shoji Saito, Terue Kawabata, Nozomi Tatsuta, Fumiko Kimura, Teruo Miyazawa, Satoshi Mizuno, Hidekazu Nishigori, Takahiro Arima, Yasuo Kagawa, Kouichi Yoshimasu, Kanami Tsuno, Yuki Ito, Michihiro Kamijima, Kunihiko Nakai, Nobuo Yaegashi
BACKGROUND: N-3 polyunsaturated fatty acids (n-3 PUFA) may have multiple beneficial effects on the outcome of pregnancy, maternal health and child development. The present study introduced the protocol of a birth cohort study to examine the beneficial effects of n-3 PUFA status in pregnant Japanese women as an adjunct study of the Japan Environment and Children's Study (JECS). METHODS: The JECS participants in the coastal areas of Miyagi Prefecture were further invited to participate in this adjunct study, and 1,878 pregnant women were enrolled prior to delivery...
April 4, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29164811/congenital-heart-defects-in-ivf-icsi-pregnancy-a-systematic-review-and-meta-analysis
#3
REVIEW
Veronica Giorgione, Fabio Parazzini, Vlasta Fesslova, Sonia Cipriani, Massimo Candiani, Annalisa Inversetti, Cristina Sigismondi, Francesca Tiberio, Paolo Cavoretto
OBJECTIVE: There is no consensus in current practice guidelines whether IVF/ICSI conception represents an indication for performing a fetal echocardiogram. The aim of the study is to assess whether CHD occurs more often with the use of in-vitro-fertilization (IVF)/ intracytoplasmic sperm injection (ICSI) techniques as compared to spontaneous pregnancies. METHODS: A systematic search for studies in PubMed/MEDLINE, Embase and Scopus from inception to September 2017 was conducted...
November 22, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29162950/intrauterine-insemination-fundamentals-revisited
#4
EDITORIAL
Gautam N Allahbadia
Intrauterine insemination (IUI) is an assisted conception technique that involves the deposition of a processed semen sample in the upper uterine cavity, overcoming natural barriers to sperm ascent in the female reproductive tract. It is a cost-effective, noninvasive first-line therapy for selected patients with functionally normal tubes, and infertility due to a cervical factor, anovulation, moderate male factor, unexplained factors, immunological factor, and ejaculatory disorders with clinical pregnancy rates per cycle ranging from 10 to 20%...
December 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/29162475/-thyrotropin-reference-ranges-during-pregnancy-in-the-province-of-huelva-spain
#5
A Ortega Carpio, I Vázquez Rico, M A Castaño López, L Duarte González, M Montilla Álvaro, A Ruiz Reina
OBJECTIVE: The correct diagnosis of hypothyroidism during pregnancy requires knowledge of the local trimester-specific thyrotropin (TSH) reference ranges. When these are not available, the guidelines recommend upper limits of 2.5, 3.0, and 3.0μU/ml for the 1(st), 2(nd), and 3(rd) trimesters, respectively. The aim is to establish the reference range for our local population. MATERIAL AND METHODS: A population-based observational study was performed on healthy pregnant women from 11 healthcare centres in the province of Huelva...
November 18, 2017: Semergen
https://www.readbyqxmd.com/read/29162172/cumulative-prenatal-exposure-to-adversity-reveals-associations-with-a-broad-range-of-neurodevelopmental-outcomes-that-are-moderated-by-a-novel-biologically-informed-polygenetic-score-based-on-the-serotonin-transporter-solute-carrier-family-c6-member-4-slc6a4
#6
Patrícia P Silveira, Irina Pokhvisneva, Carine Parent, Shirong Cai, Anu Sathyan Sathyapalan Rema, Birit F P Broekman, Anne Rifkin-Graboi, Michael Pluess, Kieran J O'Donnell, Michael J Meaney
While many studies focus on the association between early life adversity and the later risk for psychopathology, few simultaneously explore diverse forms of environmental adversity. Moreover, those studies that examined the cumulative impact of early life adversity focus uniquely on postnatal influences. The objective of this study was to focus on the fetal period of development to construct and validate a cumulative prenatal adversity score in relation to a wide range of neurodevelopmental outcomes. We also examined the interaction of this adversity score with a biologically informed genetic score based on the serotonin transporter gene...
December 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/29162167/effects-of-pre-and-postnatal-maternal-stress-on-infant-temperament-and-autonomic-nervous-system-reactivity-and-regulation-in-a-diverse-low-income-population
#7
Nicole R Bush, Karen Jones-Mason, Michael Coccia, Zoe Caron, Abbey Alkon, Melanie Thomas, Kim Coleman-Phox, Pathik D Wadhwa, Barbara A Laraia, Nancy E Adler, Elissa S Epel
We examined the prospective associations of objective and subjective measures of stress during pregnancy with infant stress reactivity and regulation, an early-life predictor of psychopathology. In a racially and ethnically diverse low-income sample of 151 mother-infant dyads, maternal reports of stressful life events (SLE) and perceived stress (PS) were collected serially over gestation and the early postpartum period. Infant reactivity and regulation at 6 months of age was assessed via maternal report of temperament (negativity, surgency, and regulation) and infant parasympathetic nervous system physiology (respiratory sinus arrhythmia [RSA]) during the Still Face Paradigm...
December 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/29162091/role-of-micrornas-in-embryo-implantation
#8
REVIEW
Jingjie Liang, Shaoyu Wang, Zhengguang Wang
Failure of embryo implantation is a major limiting factor in early pregnancy and assisted reproduction. Determinants of implantation include the embryo viability, the endometrial receptivity, and embryo-maternal interactions. Multiple molecules are involved in the regulation of implantation, but their specific regulatory mechanisms remain unclear. MicroRNA (miRNA), functioning as the transcriptional regulator of gene expression, has been widely reported to be involved in embryo implantation. Recent studies reveal that miRNAs not only act inside the cells, but also can be released by cells into the extracellular environment through multiple packaging forms, facilitating intercellular communication and providing indicative information associated with physiological and pathological conditions...
November 21, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29158709/relationship-between-health-literacy-and-body-mass-index-among-arab-women-with-polycystic-ovary-syndrome
#9
Yazed Sulaiman Al-Ruthia, Bander Balkhi, Sultan AlGhadeer, Wael Mansy, Hisham AlSanawi, Reem AlGasem, Lama AlMutairi, Ibrahim Sales
Background: Polycystic ovary syndrome (PCOS) puts patients at higher risk for obesity and diabetes. Poor health literacy is also associated with these conditions. Notably, weight loss is associated with improved ovulation and pregnancy rates for women with PCOS. In this study the association between health literacy and body mass index (BMI) among women with PCOS was examined. Methods: The health literacy of women with PCOS was measured using the Arabic version of the single item literacy screener (SILS) at a university medical center...
November 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/29158348/galectin-1-a-jack-of-all-trades-in-the-resolution-of-acute-and-chronic-inflammation
#10
REVIEW
Victoria Sundblad, Luciano G Morosi, Jorge R Geffner, Gabriel A Rabinovich
Regulatory signals provide negative input to immunological networks promoting resolution of acute and chronic inflammation. Galectin-1 (Gal-1), a member of a family of evolutionarily conserved glycan-binding proteins, displays broad anti-inflammatory and proresolving activities by targeting multiple immune cell types. Within the innate immune compartment, Gal-1 acts as a resolution-associated molecular pattern by counteracting the synthesis of proinflammatory cytokines, inhibiting neutrophil trafficking, targeting eosinophil migration and survival, and suppressing mast cell degranulation...
December 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29154791/associations-of-early-life-urinary-triclosan-concentrations-with-maternal-neonatal-and-child-thyroid-hormone-levels
#11
Joseph M Braun, Aimin Chen, Andrew Hoofnagle, George D Papandonatos, Medina Jackson-Browne, Russ Hauser, Megan E Romano, Margaret R Karagas, Kimberly Yolton, R Thomas Zoeller, Bruce P Lanphear
BACKGROUND: Triclosan, an antimicrobial agent used in some consumer products, reduces endogenous thyroid hormone concentrations in rodents. Despite ubiquitous triclosan exposure and the importance of thyroid hormones for normal fetal development, few human studies have examined the impact of triclosan exposure on maternal, neonatal, or child thyroid hormones. METHODS: In the HOME Study, a prospective cohort from Cincinnati, OH, we measured urinary triclosan concentrations up to three times in pregnant women between 16weeks and delivery, and up to three times in children between age 1-3years...
November 14, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/29154179/the-effect-of-follicullar-fluid-pesticides-and-polychlorinated-biphenyls-concentrations-on-intracytoplasmic-sperm-injection-icsi-embryological-and-clinical-outcome
#12
Tarek K Al-Hussaini, Ahmed A Abdelaleem, Ihab Elnashar, Omar M Shabaan, Rashad Mostafa, Mona A H El-Baz, Sahar E M El-Deek, Tarek A Farghaly
OBJECTIVES: The present study evaluated the correlation between the concentrations of polychlorinated biphenyls (PCBs) and pesticides in the follicular fluid (FF) obtained during intracytoplasmic sperm injection (ICSI) with the ovarian response, endometrial thickness, and embryological and clinical outcomes. DESIGN: Cross-sectional observational study. MATERIALS AND METHODS: Women aged 20 to 38 years (300 infertile couples) presenting to a university-affiliated fertility center were approached to participate in the study...
November 15, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29153677/the-efficacy-of-peripartum-transthoracic-echocardiography-in-women-with-preeclampsia
#13
Sae Kyung Choi, Jong Chul Shin, Yong Gyu Park, In Yang Park, Ji Young Kwon, Hyun Sun Ko, Yeon Hee Kim
OBJECTIVE: To examine the features and efficacy of transthoracic echocardiography (TTE) in preeclampsia. METHODS: We retrospectively reviewed the medical records of 145 pregnant women with preeclampsia, who underwent TTE at Seoul St. Mary's Hospital between July 2006 and June 2016. We analyzed echocardiographic features in preeclampsia and the relationship between the severity of preeclampsia and TTE findings. Additionally, we examined the predictive echocardiographic factors of persistent hypertension and calculated the adjusted odds ratio (OR) and 95% confidence interval (CI) for multiple regression models by considering systolic and diastolic blood pressure and pre-pregnancy body mass index (BMI)...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29153674/labor-therapeutics-and-bmi-as-risk-factors-for-postpartum-preeclampsia-a-case-control-study
#14
Geraldine Skurnik, Shelley Hurwitz, Thomas F McElrath, Lawrence C Tsen, Stacey Duey, Aditi R Saxena, Ananth Karumanchi, Janet W Rich-Edwards, Ellen W Seely
OBJECTIVES: This study aims at identifying associations between therapeutics used during labor and the occurrence of postpartum preeclampsia (PPPE), a poorly understood entity. STUDY DESIGN AND MAIN OUTCOME MEASURES: This is a case-control study of women who received an ICD-9 code for PPPE (cases) during the years 2009-2011, compared to women with a normotensive term pregnancy, delivery and postpartum period until discharge (controls), matched on age (±1year) and delivery date (±3months)...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29153381/prenatal-tvocs-exposure-negatively-influences-postnatal-neurobehavioral-development
#15
Moonhee Chang, Dongheon Lee, Hyesook Park, Mina Ha, Yun-Chul Hong, Yangho Kim, Boong-Nyun Kim, Yeni Kim, Youn-Hee Lim, Eun-Hee Ha
Prenatal exposure to volatile organic compounds may restrict fetal development and adversely influence infants' life. Therefore, we investigated the relationship between prenatal exposure to total volatile organic compounds (TVOC) and postnatal neurobehavioral development. A subsample of 383 pregnant participants was chosen from the prospective birth cohort study of Mother and Children's Environmental Health Study; MOCEH (N=1,751) from three regions of the Republic of Korea (Seoul, Cheon-an, and Ulsan). Participants were enrolled during their first trimester with informed consent...
November 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29151787/infantile-hemangiomas-a-7-year-experience-of-a-single-center
#16
Mădălina Bota, Gheorghe Popa, Cristina Lucia Blag, Daniel-Corneliu Leucuta, Alexandru Tătaru
Objectives: The aim of the study was to describe the historical and clinical characteristics of hemangiomas in a series of cases of our clinic. Methods: This is a retrospective study of 36 patients with infantile hemangiomas consulted in our clinic. Results: We had 14 multiple hemangiomas, and 1 kaposiform hemangioendothelioma. Almost two-thirds involved the cephalic extremity, and 76% of the cases were treated. Pregnancy risk factors included prematurity, low-birth weight and respiratory distress syndrome...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29149678/housing-conditions-and-birth-outcomes-the-national-child-development-study
#17
Emily W Harville, Felicia A Rabito
BACKGROUND: Despite their importance to respiratory and other health outcomes, housing conditions have been little-studied with respect to perinatal outcomes. METHODS: 1927 participants in the British National Child Development Study reported on housing conditions and pregnancy outcomes, including presence/severity of mold/dampness; type of heating; and whether remodeling of various sorts had been conducted. Crowding, based on the number of people in the residence and the number of rooms, was also considered...
November 14, 2017: Environmental Research
https://www.readbyqxmd.com/read/29149636/examining-characteristics-associated-with-quitting-smoking-during-pregnancy-and-relapse-postpartum
#18
Farnaaz Kia, Nicole Tosun, Samantha Carlson, Sharon Allen
INTRODUCTION: Smoking during pregnancy is a significant public health concern that can cause adverse health outcomes for both the mother and fetus. Studies have shown only 40% of women quit smoking during pregnancy, with more than half relapsing within 6months, and up to 90% relapsing within one year. This study investigates differences in demographics and smoking-related symptomatology between pregnant smokers and pregnant quitters, as well as factors associated with postpartum relapse...
November 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/29148890/changes-in-the-use-of-long-acting-reversible-contraceptive-methods-among-u-s-nulliparous-women-results-from-the-2006-2010-2011-2013-and-2013-2015-national-survey-of-family-growth
#19
Timothy O Ihongbe, Saba W Masho
OBJECTIVE: Nulliparous women in the United States have high rates of unintended pregnancy comparable with parous women. Long-acting reversible contraceptives (LARCs) are recommended as first-line contraceptive choices to reduce unintended pregnancy. However, use of LARCs among nulliparous women has been low. This study aims to examine changes in the prevalence of current LARC use among sexually experienced U.S. nulliparous women across the time period of 2006-2010, 2011-2013, and 2013-2015, and examine correlates of use...
November 17, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/29146525/maternal-nutritional-determinants-of-colostrum-fatty-acids-in-the-eden-mother-child-cohort
#20
Martine Armand, Jonathan Y Bernard, Anne Forhan, Barbara Heude, Marie-Aline Charles
BACKGROUND & AIMS: Programming of infant development and later health may depend on early-milk polyunsaturated fatty acids (PUFA) contents, that are very variable between women for reasons not well elucidated. Indeed, a high n-6/n-3 PUFA in milk was associated with higher adiposity, arterial pressure and lower psychomotor scores in childhood. We aimed to explore the respective contribution of several maternal and perinatal factors to the variability of linoleic (LA), α-linolenic (ALA), arachidonic (AA), and docosahexaenoic (DHA) acid levels in early milk...
October 21, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
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