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Early pregnancy loss

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https://www.readbyqxmd.com/read/28447504/placental-growth-factor-plgf-as-an-angiogenic-inflammatory-switcher-lesson-from-early-pregnancy-losses
#1
Hamid Reza Nejabati, Zeinab Latifi, Tohid Ghasemnejad, Amir Fattahi, Mohammad Nouri
Placental growth factor (PlGF) is an angiogenic factor which belongs to vascular endothelial growth factor (VEGF) family. In addition to the angiogenic function of PlGF, in some conditions such as preeclampsia and early pregnancy losses, it can induce inflammatory reactions which could be accompanied with reduced angiogenesis. Hence, it is crucial to investigate inflammatory and angiogenic switching states and understand underlying mechanisms. PlGF is expressed in endometrium, placenta and trophoblast cells and is involved in maturation of uterine NK cells...
April 27, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28443593/value-of-post-transfer-day-12-beta-human-chorionic-gonadotropin-levels-for-pregnancy-outcome-prediction-of-intracytoplasmic-sperm-injection-cycles
#2
İnci Kahyaoğlu, Berfu Demir, Sezin Ertürk Aksakal, İskender Kaplanoğlu, Leyla Mollamahmutoğlu
BACKGROUND: Several markers were studied previously in order to predict the pregnancy outcome of assisted reproductive techniques, however serum beta human chorionic gonadotropin (β-hCG) was found to be the most predictive marker. AIMS: The primary aim of this study was to evaluate the value of serum β-hCG levels in discriminating biochemical and clinical pregnancies 12 days after embryo transfer (ET) and to determine the factors predicting of ongoing pregnancy was established as the secondary aim...
April 13, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28443481/impact-of-abnormal-dna-methylation-of-imprinted-loci-on-human-spontaneous-abortion
#3
Yudong Liu, Yan Tang, Desheng Ye, Weixu Ma, Shuxian Feng, Xuelan Li, Xingyu Zhou, Xin Chen, Shiling Chen
Currently, there is a growing concern regarding the safety of assisted reproductive technology (ART) due to increased risk of spontaneous abortion (SA) and imprinting disorders in ART-conceived offspring. Early investigations suggested that aberrant genetic imprinting may be related to pregnancy loss; however, few studies have used human tissue specimens. Here the DNA methylation patterns of 3 imprinted genes, including maternally inherited GRB10 and the paternally inherited IGF2 and PEG3 genes, were evaluated in human chorionic villus samples by pyrosequencing and bisulfite sequencing polymerase chain reaction...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28443480/adverse-placental-perfusion-and-pregnancy-outcomes-in-a-new-nonhuman-primate-model-of-gestational-protein-restriction
#4
Victoria H J Roberts, Jamie O Lo, Katherine S Lewandowski, Peter Blundell, Kevin L Grove, Christopher D Kroenke, Elinor L Sullivan, Charles T Roberts, Antonio E Frias
Maternal malnutrition during pregnancy impacts fetal growth, with developmental consequences that extend to later life outcomes. In underdeveloped countries, this malnutrition typically takes the form of poor dietary protein content and quality, even if adequate calories are consumed. Here, we report the establishment of a nonhuman primate model of gestational protein restriction (PR) in order to understand how placental function and pregnancy outcomes are affected by protein deficiency. Rhesus macaques were assigned to either a control diet containing 26% protein or switched to a 13% PR diet prior to conception and maintained on this PR diet throughout pregnancy...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28435650/postnatal-transitional-weight-loss-and-adverse-outcomes-in-extremely-premature-neonates
#5
Rita P Verma, Syed Shibli, Eugene Komaroff
The early postnatal weight loss (EPWL) is highly variable in the extremely low birth weight infants (birth weight <1000 g, ELBW). It is reported to be unassociated with adverse outcomes within a range of 3-21% of birth weight. Its wide range might have contributed to this lack of association. The aim of our paper is to study the effects of maximum EPWL, graded as low, medium and large on clinical outcomes in ELBW infants. In a retrospective cohort observational study EPWL was measured as maximum weight loss from birth weight (MWL) in ELBW infants and grouped as low (5-12%) moderate (18...
March 22, 2017: Pediatric Reports
https://www.readbyqxmd.com/read/28430082/a-community-based-survey-on-syrian-refugee-women-s-health-and-its-predictors-in-%C3%A5-anliurfa-turkey
#6
Zeynep Simsek, Nebiye Yentur Doni, Nese Gül Hilali, Gokhan Yildirimkaya
Reproductive characteristics, mental health symptoms, micronutrient deficiencies, and symptoms of sexually transmitted infections (STI) were determined among married Syrian refugee women aged 15-49 years who were living outside of camps in 2015, using probability sampling. Of the 458 participants, 51.3% married before the age of 18 years. Early-age marriages and number of desired children increased after the war. In multivariable analyses, education (adjusted odds ratio [aOR] = 1.2; 95% confidence interval [CI] = 1...
April 21, 2017: Women & Health
https://www.readbyqxmd.com/read/28420820/high-insulin-impaired-ovarian-function-in-early-pregnant-mice-and-the-role-of-autophagy-in-this-process
#7
Yan Su, Juan Wu, Junlin He, Xueqing Liu, Xuemei Chen, Yubin Ding, Chen Zhang, Wenqi Chen, Yingxiong Wang, Rufei Gao
Metabolic disorders, such as PCOS (polycystic ovarian syndrome) and T2DM (type 2 diabetes mellitus), are associated with menstrual dysfunction, anovulation, infertility, and early pregnancy loss. Ovarian dysfunction is not only related to low pregnancy rates but also to the increased risk of miscarriage. Women with PCOS or T2DM, characterized by hyperinsulinemia, commonly experience ovarian dysfunction. In this study, we first explored whether high insulin levels directly affected ovarian functioning during embryo implantation...
April 18, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28416457/mono-2-ethylhexyl-phthalate-inhibits-human-extravillous-trophoblast-invasion-via-the-ppar%C3%AE-pathway
#8
Fumei Gao, Wenxin Hu, Yu Li, Huan Shen, Jianying Hu
Concerns over the adverse reproductive outcomes in human have been raised, more evidence including the underlying mechanism are required. Since extravillous trophoblast (EVT) invasion is an important physiological step during early development, the effects of mono-2-ethylhexyl phthalate (MEHP), the bioactive metabolite of DEHP, on EVT invasion were investigated using Matrigel-coated transwell chambers and cell line HTR-8/SVneo. In the transwell-based invasive assay, MEHP exposure inhibited EVT invasion as judged by decreased invasion index...
April 14, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28415680/long-term-neurocognitive-dysfunction-in-offspring-via-ngf-erk-creb-signaling-pathway-caused-by-ketamine-exposure-during-the-second-trimester-of-pregnancy-in-rats
#9
Yanan Li, Xinran Li, Cen Guo, Lina Li, Yuxin Wang, Yiming Zhang, Yu Chen, Wenhan Liu, Li Gao
Early life exposure to ketamine caused neurohistopathologic changes and persistent cognitive dysfunction. For this study, a pregnant rat model was developed to investigate neurocognitive effects in the offspring, following ketamine exposure during the second trimester. Pregnant rats on gestational day 14 (equal to midtrimester pregnancy in humans), intravenously received 200 mg/kg ketamine for 3 h. Their behavior was tested (Morris water maze, odor recognition test, and fear conditioning) at postnatal days (P25-30)...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414788/patients-with-subclinical-hypothyroidism-before-20-weeks-of-pregnancy-have-a-higher-risk-of-miscarriage-a-systematic-review-and-meta-analysis
#10
Yibing Zhang, Haoyu Wang, Xifeng Pan, Weiping Teng, Zhongyan Shan
OBJECTIVE: To evaluate the relationship between subclinical hypothyroidism (SCH) and the risk of miscarriage before 20 weeks of pregnancy. METHODS: Literature databases were searched, including the PubMed, Web of Science, Embase and Cochrane databases, from January 1, 1980, to December 31, 2015. The following search terms were used: subclinical hypothyroidism, hypothyroidism, thyroid dysfunction, thyroid hypofunction, subclinical thyroid disease, thyroid dysfunction, pregnancy loss, abortion and miscarriage...
2017: PloS One
https://www.readbyqxmd.com/read/28407452/uptake-and-performance-of-prevention-of-mother-to-child-transmission-and-early-infant-diagnosis-in-pregnant-hiv-infected-women-and-their-exposed-infants-at-seven-health-centres-in-addis-ababa-ethiopia
#11
Marshet Girma, Rahel Wendaferash, Hailu Shibru, Yemane Berhane, Michael Hoelscher, Arne Kroidl
OBJECTIVE: To assess the uptake of WHO-recommended PMTCT procedures in Ethiopia's health services. METHODS: Prospective observational study of HIV-positive pregnant mothers and their newborns attending PMTCT services at seven health centres in Addis Ababa. Women were recruited during antenatal care and followed-up with their newborns at delivery, day 6 and week 6 postpartum. Retention to PMCTC procedures, self-reported ART adherence, and HIV infant outcome were assessed...
April 13, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28404133/effect-on-hbs-antigen-clearance-of-addition-of-pegylated-interferon-alfa-2a-to-nucleos-t-ide-analogue-therapy-versus-nucleos-t-ide-analogue-therapy-alone-in-patients-with-hbe-antigen-negative-chronic-hepatitis-b-and-sustained-undetectable-plasma-hepatitis-b
#12
Marc Bourlière, Pascaline Rabiega, Nathalie Ganne-Carrie, Lawrence Serfaty, Patrick Marcellin, Yoann Barthe, Dominique Thabut, Dominique Guyader, Christophe Hezode, Magali Picon, Xavier Causse, Vincent Leroy, Jean Pierre Bronowicki, Patrizia Carrieri, Ghassan Riachi, Isabelle Rosa, Pierre Attali, Jean Michel Molina, Yannick Bacq, Albert Tran, Jean Didier Grangé, Fabien Zoulim, Hélène Fontaine, Laurent Alric, Inga Bertucci, Magali Bouvier-Alias, Fabrice Carrat
BACKGROUND: Findings from uncontrolled studies suggest that addition of pegylated interferon in patients with HBe antigen (HBeAg)-negative chronic hepatitis B receiving nucleos(t)ide analogues with undetectable plasma hepatitis B virus (HBV) DNA might increase HBs antigen (HBsAg) clearance. We aimed to assess this strategy. METHODS: In this randomised, controlled, open-label trial, we enrolled patients aged 18-75 years with HBeAg-negative chronic hepatitis B and documented negative HBV DNA while on stable nucleos(t)ide analogue regimens for at least 1 year from 30 hepatology tertiary care wards in France...
March 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28402415/single-versus-repeat-doses-of-misoprostol-for-treatment-of-early-pregnancy-loss-a-randomized-clinical-trial
#13
Yossi Mizrachi, Ann Dekalo, Ohad Gluck, Hadas Miremberg, Lotem Dafna, Ohad Feldstein, Eran Weiner, Jacob Bar, Ron Sagiv
STUDY QUESTION: Does repeat administration of misoprostol for early pregnancy loss increase the treatment success rate? SUMMARY ANSWER: Repeat administration of misoprostol does not increase the treatment success rate, and is associated with more analgesics use. WHAT IS KNOWN ALREADY: Misoprostol reduces the need for surgical evacuation and shortens the time to complete expulsion in patients with early pregnancy loss. However, the impact of repeat doses of misoprostol is not clear...
April 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28398675/pregnancy-related-listeriosis
#14
REVIEW
Rahat Wadhwa Desai, Mary Alice Smith
About one in seven cases of listeriosis occurs in pregnant women, and, although listeriosis is rare, it is the third leading cause of death from food-borne infections. Pregnancy-related listeriosis increases the risk for fetal and neonatal mortality by approximately 21%. During pregnancy, infections are more likely to occur in the third trimester (66%) than the first trimester (3%). However, fetal and neonatal adverse effects are less common as gestational age increases or with older gestational age at birth...
March 15, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28397204/outcomes-of-the-patients-diagnosed-incidentally-appendicitis-during-cesarean-section
#15
Mehmet Kulhan, Nur Gozde Kulhan, Umit Nayki, Cenk Nayki, Pasa Ulug, Nahit Ata, Hulya Toklucu
OBJECTIVES: Appendicitis is the most common condition leading to an intraabdominal operation for a non obstetric problem in pregnancy and diagnosis of appendicitis is complicated by the physiologic and anatomic changes that occur during pregnancy. Although a surgical procedure carries the risk of fetal loss or preterm delivery, delay in diagnosis also increases the risk of complications in both mother and fetus. In this report we present our experience and analyze clinical characteristic and the pregnancy outcomes of appendicitis diagnosed incidentally during cesarean in the third trimester...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28395330/contributions-to-the-dynamics-of-cervix-remodeling-prior-to-term-and-preterm-birth%C3%A2
#16
Steven M Yellon
Major clinical challenges for obstetricians and neonatologists result from early cervix remodeling and preterm birth. Complications related to cervix remodeling or delivery account for significant morbidity in newborns and peripartum mothers. Understanding morphology and structure of the cervix in pregnant women is limited mostly to the period soon before and after birth. However, evidence in rodent models supports a working hypothesis that a convergence of factors promotes a physiological inflammatory process that degrades the extracellular collagen matrix and enhances biomechanical distensibility of the cervix well before the uterus develops the contractile capabilities for labor...
January 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28386955/adult-pre-pregnancy-weight-change-and-risk-of-developing-hypertensive-disorders-in-pregnancy
#17
Akilew A Adane, Gita D Mishra, Leigh R Tooth
BACKGROUND: While the association of pre-pregnancy body mass index (BMI) and hypertensive disorders in pregnancy (HDP) is well documented, little is known about the relationship between pre-pregnancy weight change and HDP. We examined the impact of adult pre-pregnancy weight change on the development of HDP. METHODS: We included 2914 women, surveyed about every three years since 1996, from the 1973-78 cohort of the Australian Longitudinal Study on Women's Health...
April 7, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28385397/maternal-age-modulates-the-effects-of-early-pregnancy-l-proline-supplementation-on-the-birth-weight-of-piglets
#18
P Gonzalez-Añover, A Gonzalez-Bulnes
Previous results obtained in gilts maintained under experimental conditions suggest that amino acid supplementation during pregnancy may be a promising strategy for diminishing the incidence of embryo losses and low birth-weight newborn. The current study evaluated the effects of a short-term supplementation with L-proline, around implantational stages, on litter size and birth-weight of piglets in sows of different parities maintained under commercial farm conditions. There were no significant effects in mature sows with three or more parities, but the supplementation improved the reproductive efficiency of the high-prolific first-parity sows and of all the sows at second-parity...
March 30, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28384133/vital-signs-update-on-zika-virus-associated-birth-defects-and-evaluation-of-all-u-s-infants-with-congenital-zika-virus-exposure-u-s-zika-pregnancy-registry-2016
#19
Megan R Reynolds, Abbey M Jones, Emily E Petersen, Ellen H Lee, Marion E Rice, Andrea Bingham, Sascha R Ellington, Nicole Evert, Sarah Reagan-Steiner, Titilope Oduyebo, Catherine M Brown, Stacey Martin, Nina Ahmad, Julu Bhatnagar, Jennifer Macdonald, Carolyn Gould, Anne D Fine, Kara D Polen, Heather Lake-Burger, Christina L Hillard, Noemi Hall, Mahsa M Yazdy, Karnesha Slaughter, Jamie N Sommer, Alys Adamski, Meghan Raycraft, Shannon Fleck-Derderian, Jyoti Gupta, Kimberly Newsome, Madelyn Baez-Santiago, Sally Slavinski, Jennifer L White, Cynthia A Moore, Carrie K Shapiro-Mendoza, Lyle Petersen, Coleen Boyle, Denise J Jamieson, Dana Meaney-Delman, Margaret A Honein
BACKGROUND: In collaboration with state, tribal, local, and territorial health departments, CDC established the U.S. Zika Pregnancy Registry (USZPR) in early 2016 to monitor pregnant women with laboratory evidence of possible recent Zika virus infection and their infants. METHODS: This report includes an analysis of completed pregnancies (which include live births and pregnancy losses, regardless of gestational age) in the 50 U.S. states and the District of Columbia (DC) with laboratory evidence of possible recent Zika virus infection reported to the USZPR from January 15 to December 27, 2016...
April 7, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28380025/effect-of-proline-rich-15-deficiency-on-trophoblast-viability-and-survival
#20
Katherine C Gates, Lindsey N Goetzmann, Jeremy D Cantlon, Kimberly M Jeckel, Russell V Anthony
Deviations from the normal program of gene expression during early pregnancy can lead to early embryonic loss as well as dysfunctional placentation, which can cause significant morbidity and mortality. Proline rich 15 (PRR15) is a low molecular weight nuclear protein expressed by the trophoblast during early gestation. Lentivirus-mediated knockdown of PRR15 mRNA in ovine trophectoderm led to demise of the embryo by gestational day 15, providing compelling evidence that PRR15 expression is critical during this precarious window of development...
2017: PloS One
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