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Prevention of miscarriage

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https://www.readbyqxmd.com/read/29162795/semiconductor-sequencing-analysis-of-chromosomal-copy-number-variations-in-spontaneous-miscarriage
#1
Ming-Zhu Wang, Fang-Qin Lin, Min Li, Dan He, Qi-Hong Yu, Xue-Xi Yang, Ying-Song Wu
BACKGROUND Array CGH is the criterion standard for identifying copy number variations (CNV), but the restrictive requirement of DNA quality and relatively high cost prevent the use of this method as a general assay in hospitals in developing countries. Our principal objective was to determine whether the semiconductor sequencing platform (SSP) could be an alternative method in CNV detection for spontaneous miscarriage. MATERIAL AND METHODS A total of 443 spontaneous miscarriage samples were collected and subjected to low-coverage (0...
November 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29158400/drosophila-protein-phosphatases-2a-b-wdb-and-wrd-regulate-meiotic-centromere-localization-and-function-of-the-mei-s332-shugoshin
#2
Belinda S Pinto, Terry L Orr-Weaver
Proper segregation of chromosomes in meiosis is essential to prevent miscarriages and birth defects. This requires that sister chromatids maintain cohesion at the centromere as cohesion is released on the chromatid arms when the homologs segregate at anaphase I. The Shugoshin proteins preserve centromere cohesion by protecting the cohesin complex from cleavage, and this has been shown in yeasts to be mediated by recruitment of the protein phosphatase 2A B' (PP2A B'). In metazoans, delineation of the role of PP2A B' in meiosis has been hindered by its myriad of other essential roles...
November 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29150474/core-outcome-sets-in-miscarriage-trials-cosmist-study-a-study-protocol
#3
Paul Smith, Natalie Cooper, Rima Dhillon-Smith, Emily O'Toole, T Justin Clark, Arri Coomarasamy
INTRODUCTION: 'Core outcome sets' are an agreed, standardised set of outcomes based on what key stakeholders (clinicians, patients, their partners, researchers, service developers, funding organisations and so on) consider the important outcomes in the management or prevention of a condition. This paper describes the rationale and design for the development of Core Outcome Sets for Miscarriage Trials. METHODS AND ANALYSIS: Systematic reviews, interviews and focus groups with patients and their partners will be conducted to identify potential core outcomes that will be introduced into a modified Delphi survey...
November 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/29146286/-genital-herpes-and-pregnancy-epidemiology-clinical-manifestations-prevention-and-screening-guidelines-for-clinical-practice-from-the-french-college-of-gynecologists-and-obstetrician-cngof
#4
O Picone
OBJECTIVES: To analyze the consequences of genital herpes infections in pregnant women. METHODS: The PubMed database and the recommendations from the French and foreign obstetrical societies or colleges have been consulted. RESULTS: The symptomatology of herpes genital rash is often atypical (NP2) and not different during pregnancy (Professional consensus). It is most often due to HSV2 (NP2). Seventy percent of pregnant patients have a history of infection with Herpes simplex virus, without reference to genital or labial localization, and this is in most cases type 1 (NP2)...
November 13, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29145358/progress-in-rubella-and-congenital-rubella-syndrome-control-and-elimination-worldwide-2000-2016
#5
Gavin B Grant, Susan E Reef, Minal Patel, Jennifer K Knapp, Alya Dabbagh
Although rubella virus infection usually causes a mild fever and rash illness in children and adults, infection during pregnancy, especially during the first trimester, can result in miscarriage, fetal death, stillbirth, or infants with a constellation of congenital malformations known as congenital rubella syndrome (CRS) (1). Rubella is a leading vaccine-preventable cause of birth defects. Preventing these adverse pregnancy outcomes is the focus of rubella vaccination programs. In 2011, the World Health Organization (WHO) updated guidance on the preferred strategy for introduction of rubella-containing vaccine (RCV) into national immunization schedules and recommended an initial vaccination campaign, usually targeting children aged 9 months-14 years (1)...
November 17, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29129461/-aspirin-indications-and-use-during-pregnancy
#6
N Belhomme, C Doudnikoff, E Polard, B Henriot, H Isly, P Jego
Aspirin (acetylsalicylic acid) has been used ever since the Antiquity for its painkilling and anti-inflammatory effects. Its antiplatelet properties have then extended its indications to the field of coronaropathy and vascular cerebral disease, and finally to vascular placental disease. Aspirin has been widely prescribed since the 1980's to prevent pre-eclampsia, intra-uterine growth retardation and fetal death of vascular origin. It has also been proposed to prevent unexplained recurrent miscarriages. Its use during pregnancy is considered as safe, provided the daily doses do not exceed 100mg...
November 9, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29120877/antiphospholipid-antibody-syndrome-the-difficulties-of-diagnosis
#7
Kerry L Whitaker
Antiphospholipid antibody syndrome (APS) is an autoantibodymediated thrombophilic disorder that causes a hypercoagulable state and can lead to venous thromboembolism, stroke, multiple miscarriages, and other pregnancy complications with the presence of antiphospholipid antibodies. This article reviews screening, diagnosis, and management of APS with a focus on the prevention of long-term complications.
November 8, 2017: JAAPA: Official Journal of the American Academy of Physician Assistants
https://www.readbyqxmd.com/read/29103803/cd39-and-cd73-activity-are-protective-in-a-mouse-model-of-antiphospholipid-antibody-induced-miscarriages
#8
Anushka N Samudra, Karen M Dwyer, Carly Selan, Susanna Freddi, Lisa Murray-Segal, Mandana Nikpour, Michael J Hickey, Karlheinz Peter, Simon C Robson, Maithili Sashindranath, Peter J Cowan, Harshal H Nandurkar
OBJECTIVE: Antiphospholipid syndrome (APS) is a systemic autoimmune disorder of young adults associated with devastating pregnancy complications (recurrent miscarriages, preeclampsia and low birth weight) and vascular complications including thrombosis. The key components implicated in pathogenesis of APS are the complement cascade and tissue factor (TF) activity causing inflammation and coagulation. Purinergic signalling involving catabolism of ATP to adenosine by cell-surface enzymes CD39 and CD73 has anti-inflammatory and anti-thrombotic effects...
November 2, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29082364/effect-of-metformin-on-maternal-and-neonatal-outcomes-in-pregnant-obese-non-diabetic-women-a-meta-analysis
#9
Ahmed Elmaraezy, Abdelrahman Ibrahim Abushouk, Amany Emara, Omar Elshahat, Hussien Ahmed, Magdy I Mostafa
BACKGROUND: Metformin reduces maternal and neonatal weight gain in gestational diabetes mellitus; however, this effect is poorly investigated in non-diabetic women. OBJECTIVE: We performed this meta-analysis to investigate the effect of metformin intake during pregnancy on maternal and neonatal outcomes in obese non-diabetic women. MATERIALS AND METHODS: We searched Medline, EMBASE, and Cochrane CENTRAL for eligible randomized controlled trials addressing the efficacy of metformin in pregnant obese non-diabetic women...
August 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29069644/interactive-effects-of-snps-located-within-cd28-b7pathway-and-environment-on-susceptibility-to-recurrent-spontaneous-abortion
#10
Guiling Wang, Jing Sun
AIMS: This study was aimed to explore the interaction between environment and CD28/B7 pathway to provide the potential epidemiology for prevention and treatment of recurrent spontaneous abortion (RSA). METHODS: The retrospective study included 630 RSA cases and 1320 healthy women during their middle and late prenatal care. Their living environment was investigated, and the influence of environmental factors on pregnancy abortion was analyzed. The genomic DNAs were extracted from the study subjects, and the polymorphisms of CD28 and B7 were analyzed...
October 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29055173/safety-and-efficacy-of-the-cervical-pessary-combined-with-vaginal-progesterone-for-the-prevention-of-spontaneous-preterm-birth
#11
Georgios Daskalakis, Dimitrios Zacharakis, Marianna Theodora, Panagiotis Antsaklis, Nikolaos Papantoniou, Dimitris Loutradis, Aris Antsaklis
INTRODUCTION: The aim of this study was to evaluate the safety and efficacy of the combined treatment of cervical pessary and endovaginal progesterone for the prevention of spontaneous preterm birth (SPB) in women with a short cervical length (CL) between 20 and 24 weeks of gestation. MATERIALS AND METHODS: This is a prospective study of women with a singleton pregnancy and a sonographically detected mid-trimester CL ≤25 mm. The primary outcome measure was spontaneous delivery before 34 weeks (238 days) of gestation...
October 21, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/29052257/utility-of-reproductive-life-plans-in-identification-of-potentially-teratogenic-medication-use-a-pilot-study
#12
Natalie DiPietro Mager, Caitlin Mills, April Snelling
BACKGROUND: Teratogenic medications increase risks of miscarriage, fetal death, and/or birth defects. It is important to identify whether women of childbearing potential are taking these medications and to minimize exposure to these agents through change in drug therapy before conception and/or use of effective contraception to prevent conception. OBJECTIVE: To determine the utility of reproductive life plans as tools to identify women using potentially teratogenic medications...
October 20, 2017: Birth
https://www.readbyqxmd.com/read/29040903/aplasia-cutis-congenita-as-a-result-of-interstitial-laser-therapy-for-fetal-reduction-in-monochorionic-twins-conservative-approach-and-outcome
#13
Veronica Mugarab-Samedi, Abhay Lodha, Adel ElSharkawy, Essa Al Awad
Monochorionic (MC) twin pregnancies are known to carry a high risk of twin-to-twin transfusion syndrome (TTTS) that could lead to miscarriage and perinatal death. Demise of one fetus is frequently associated with co-fetal death. Fetal reduction by interstitial laser therapy is an effective procedure to prevent this outcome, but it may be associated with significant risks for both mother and fetus. Aplasia Cutis Congenita (ACC) may occur in up to 8% cases of fetal reduction by laser therapy. We report ACC in a preterm infant, a survivor of interstitial laser therapy for fetal reduction in MC pregnancy...
October 10, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29040537/chromosomal-abnormalities-in-1663-infertile-men-with-azoospermia-the-clinical-consequences
#14
R B Donker, V Vloeberghs, H Groen, H Tournaye, C M A van Ravenswaaij-Arts, J A Land
STUDY QUESTION: What is the prevalence of chromosomal abnormalities in azoospermic men and what are the clinical consequences in terms of increased risk for absent spermatogenesis, miscarriages and offspring with congenital malformations? SUMMARY ANSWER: The prevalence of chromosomal abnormalities in azoospermia was 14.4%, and the number of azoospermic men needed to be screened (NNS) to identify one man with a chromosomal abnormality with increased risk for absence of spermatogenesis was 72, to prevent one miscarriage 370-739 and to prevent one child with congenital malformations 4751-23 757...
October 13, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29038842/fertility-after-recurrent-miscarriages-results-of-an-observational-cohort-study
#15
Christiane Kling, Jürgen Hedderich, Dieter Kabelitz
PURPOSE: Recurrent pregnancy losses (RPL) are considered a pathological condition associated with heterogeneous laboratory and clinical findings, and are also linked to subfertility. We attempt to rank parameters derived from past history and diagnostic results with regard to the prognosis. METHODS: Observational trial on 719 consecutive couples who were referred to a tertiary immunological care centre (2006-2014) after three or more primary miscarriages. Information on past obstetric history and diagnostic procedures at baseline were correlated with cumulative pregnancy and delivery rates using Kaplan-Meier estimation, logistic regression and multivariate analysis...
October 16, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29028075/safety-of-oral-alpha-lipoic-acid-treatment-in-pregnant-women-a-retrospective-observational-study
#16
E Parente, G Colannino, O Picconi, G Monastra
OBJECTIVE: Alpha-lipoic acid is a natural molecule, which directly or by means of its reduced form, dihydrolipoic acid, exerts antioxidant, anti-inflammatory and immunomodulatory activities, very helpful also in preventing miscarriage and preterm delivery. Used as dietary supplement alpha-lipoic acid was demonstrated to be safe for living organisms even when administered at high doses. However, no study was made so far to verify the safety of its continuous administration on a substantial number of pregnant women...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29022922/rankl-mediated-harmonious-dialogue-between-fetus-and-mother-guarantees-smooth-gestation-by-inducing-decidual-m2-macrophage-polarization
#17
Yu-Han Meng, Wen-Jie Zhou, Li-Ping Jin, Li-Bing Liu, Kai-Kai Chang, Jie Mei, Hui Li, Jian Wang, Da-Jin Li, Ming-Qing Li
Decidual macrophages (dMϕ) contribute to maternal-fetal tolerance. However, the mechanism of dMϕ differentiation during pregnancy is still largely unknown. Here, we report that receptor activator for nuclear factor-κ B ligand (RANKL), secreted by human embryonic trophoblasts and maternal decidual stromal cells (DSCs), polarizes dMϕ toward a M2 phenotype. This polarization is mediated through activation of Akt/signal transducer and activator of transcription 6 (STAT6) signaling, which is associated with the upregulation of histone H3 lysine-27 demethylase Jmjd3 and IRF4 in dMϕ...
October 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28974268/is-a-woman-s-first-pregnancy-outcome-related-to-her-years-of-schooling-an-assessment-of-women-s-adolescent-pregnancy-outcomes-and-subsequent-educational-attainment-in-ghana
#18
Adriana A E Biney, Philomena Nyarko
BACKGROUND: Adolescent pregnancy and childbearing pose challenges to young women's educational attainment. Studies show that while adolescent childbearing reduces educational attainment, not becoming pregnant and resorting to induced abortion when pregnant increases women's educational levels. This study examined relationships between adolescents' resolution of their first pregnancies and subsequent educational outcomes, for all women ages 20-49 years and across three age cohorts: 20-29, 30-39 and 40-49 year olds...
October 3, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28972390/risky-sexual-behaviors-and-pregnancy-outcomes-in-young-adulthood-following-substantiated-childhood-maltreatment-findings-from-a-prospective-birth-cohort-study
#19
Amanuel A Abajobir, Steve Kisely, Gail Williams, Lane Strathearn, Jake M Najman
Childhood maltreatment is associated with a range of adverse mental and physical health outcomes, including increased rates of sexually transmitted infections (STIs) later in life. However, the impact on risky sexual behaviors and pregnancy outcomes has not been adequately studied. This is particularly true for physical abuse, emotional abuse, and neglect. We examined associations between prospectively substantiated childhood maltreatment and reports of risky sexual behaviors by men and women, as well as selected pregnancy outcomes in women...
October 3, 2017: Journal of Sex Research
https://www.readbyqxmd.com/read/28965575/severe-selenium-deficits-in-pregnant-women-irrespective-of-autoimmune-thyroid-disease-in-an-area-with-marginal-selenium-intake
#20
Urszula Ambroziak, Sandra Hybsier, Urszula Shahnazaryan, Małgorzata Krasnodębska-Kiljańska, Eddy Rijntjes, Zbigniew Bartoszewicz, Tomasz Bednarczuk, Lutz Schomburg
OBJECTIVES: Selenium (Se) deficiency is related to an increased risk of preterm labor, miscarriage, preeclampsia, gestational diabetes, and other obstetric complications. As the Se status declines during pregnancy, we hypothesized that the decline may be exacerbated in women with autoimmune thyroid disease (AITD). MATERIAL AND METHODS: Pregnant women (n=74; 30 [23-38] years) were consecutively recruited from the district of Warsaw, Poland, and divided into healthy subjects (HS, n=45), and women with a diagnosis of AITD (AITD, n=29)...
December 2017: Journal of Trace Elements in Medicine and Biology
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