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Recurrency pregnancy loss

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https://www.readbyqxmd.com/read/28730668/recurrent-triploid-digynic-conceptions-and-mature-ovarian-teratomas-are-they-different-manifestations-of-the-same-genetic-defect
#1
Yassemine Khawajkie, William Buckett, Ngoc Minh Phuong Nguyen, Nawel Mechtouf, Asangla Ao, Jocelyne Arseneau, Rima Slim
Miscarriages affect 15% of clinically recognized pregnancies. Recurrent miscarriage (RM) is defined by the occurrence of at least two consecutive pregnancy losses and affects 1% to 5% of couples trying to conceive. In an attempt to categorize patients with RM and identify the mechanisms leading to their miscarriages, we first used flow cytometry to assess the ploidy of 93 products of conception (POCs) from 53 patients with RM (≥ 3 miscarriages). We identified a single patient with four triploid POCs. We then used fluorescent in situ hybridization to confirm the triploidies and fluorescent microsatellite genotyping with distal and pericentromeric markers to determine their parental origin and the mechanisms leading to their formation...
July 21, 2017: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/28707148/chemokine-c-c-motif-ligand-2-ccl2-and-oxidative-stress-markers-in-recurrent-pregnancy-loss-and-repeated-implantation-failure
#2
Müberra Namlı Kalem, Nilufer Akgun, Ziya Kalem, Batuhan Bakirarar, Tugrul Celik
PURPOSE: The main purpose of this study is to evaluate the inflammatory response and oxidative stress together in the cases of recurrent pregnancy loss (RPL) and repeated implantation failure (RIF). METHODS: This is a cross-sectional study conducted to compare infertile patients who have RIF and patients with RPL histories in terms of CCL2, TAS, TOS, and OSI. To this end, two study groups were formed by primary-infertile women with RIF history and women with nulliparous RPL history who consulted a university hospital between 2014 and 2016, and a control group was formed by multiparous women who had no pregnancy loss...
July 13, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28696810/mitochondrial-dna-variations-are-associated-with-recurrent-pregnancy-loss
#3
Ali Azadi, Dong Joo Seo, Hannaneh Jafari Sasansara, Michael Van Haute
Cases with three or more consecutive spontaneous abortions before the 20th week of gestation are termed as recurrent pregnancy loss (RPL). Problems in implantation of the foetus and any retarded growth of the foetus in the uterus can be correlated to RPL. Possible causes of RPL would include the genetic variations in the regulatory enzymes of the crucial metabolic pathways, clotting factors, hormones and hormone receptors. This defect of the mitochondrial respiratory chain is recognized as a major cause of human disease...
July 11, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28691603/dichorionic-twins-discordant-for-massive-perivillous-fibrinoid-deposition-report-of-a-case-and-review-of-the-literature
#4
Ona Faye-Petersen, Adrienne Sauder, Ydamis Estrella, Debra S Heller
Massive perivillous fibrinoid deposition (MFD) and maternal floor infarction (MFI) are lesions of unknown etiology associated with poor perinatal outcomes, including fetal intrauterine growth restriction and neurodevelopmental injury, high risks of pregnancy loss, and recurrence in subsequent gestations. MFI comprises massive intervillous fibrinoid deposition concentrated at the maternal floor. MFD is a similar lesion but is diffuse within the parenchyma. MFD/MFI lesions represent a spectrum of severity of cloak-like perivillous fibrinoid deposition, and there is mounting evidence that, often, they represent sequelae of immune-mediated phenomena and/or an imbalance in factors that normally maintain the fluidity of blood in the maternal space...
July 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28690381/polymorphism-of-the-pai-1gene-4g-5g-may-be-linked-with-polycystic-ovary-syndrome-and-associated-pregnancy-disorders-in-south-indian-women
#5
Maniraja Jesintha Mary, Lakshmanan Saravanan, Munuswamy Deecaraman, Melantharu Vijayalakshmi, Vetrivel Umashankar, Jaigopal Sailaja
Polycystic Ovary syndrome (PCOS) is the most common endocrine disorder affecting 5 - 10% of all women of reproductive age group. The present research was carried out to study the impact of Plasminogen Activator Inhibitor (PAI-1) 4G/5G polymorphism (rs1799889) in PCOS, and the risk of developing PCOS in South Indian Population. The study was carried out in 60 subjects of South Indian population (30 PCOS and 30 Non PCOS) recruited from ARC Research and Fertility Centre, Chennai, India. Genotype and Allelic frequencies were compared by Fisher exact test, Hardy Weinberg equilibrium...
2017: Bioinformation
https://www.readbyqxmd.com/read/28689805/the-importance-of-folate-vitamins-b6-and-b12-for-the-lowering-of-homocysteine-concentrations-for-patients-with-recurrent-pregnancy-loss-and-mthfr-mutations
#6
Danielius Serapinas, Evelina Boreikaite, Agne Bartkeviciute, Rita Bandzeviciene, Mindaugas Silkunas, Daiva Bartkeviciene
In patients with MTHFR (methylenetetrahydrofolate reductase) mutations and hyperhomocysteinemia, recurrent pregnancy loss is a frequent feature. The aim of the study was to evaluate the impact of folic acid, vitamins B6 and B12 supplementation for the lowering of total homocysteine concentrations and pregnancy. 16 patients who had had 3 or more miscarriages and MTHFR mutations were used in the study. They received methylfolate (5mg/day), vitamin B6 (50mg/day) and vitamin B12 (1mg/week). Supplementation induced a decrease in homocysteine from 19...
July 6, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28683377/association-of-the-f13a1-val34leu-polymorphism-and-recurrent-pregnancy-loss-a-meta-analysis
#7
Jae Hyun Jung, Jae-Hoon Kim, Gwan Gyu Song, Sung Jae Choi
OBJECTIVE: Factor XIII (FXIII) plays role in stabilizing the linkage between fibrins during blood clotting and has been implicated in recurrent pregnancy loss (RPL). The relationship between the Val34Leu polymorphism in F13A1, which encodes the enzymatic subunit of FXIII, and RPL is unclear. The aim of this meta-analysis was to evaluate the association betweenF13A1 Val34Leu and the risk of RPL. STUDY DESIGN: We performed a meta-analysis of 11 studies involving 1092 cases and 678 controls using published literature from PubMed and Embase...
June 23, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28672755/pregnancy-outcomes-among-patients-with-recurrent-pregnancy-loss-and-chromosomal-aberration-ca-without-pgd
#8
Maor Kabessa, Avi Harlev, Michael Friger, Ruslan Sergienko, Baila Litwak, Arie Koifman, Naama Steiner, Asher Bashiri
BACKGROUND: Recurrent pregnancy loss (RPL) is defined by two or more failed clinical pregnancies. Three to four percent of the couples with RPL have chromosomal aberrations (CA) in at least one partner. The parent's structural chromosomal abnormalities may cause an unbalanced karyotype in the conceptus which could lead to implantation failure, early or late pregnancy loss, or delivery of a child with severe physical and/or mental disabilities. OBJECTIVE: To compare live birth rates of couples with CA to couples with normal karyotypes and to investigate medical and obstetric characteristics and pregnancy outcomes of couples with CA and RPL who attend an RPL clinic at a tertiary hospital...
June 26, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28661551/uterine-malformations-an-update-of-diagnosis-management-and-outcomes
#9
Bala Bhagavath, Greiner Ellie, Kara M Griffiths, Tom Winter, Snigdha Alur-Gupta, Carter Richardson, Steven R Lindheim
Importance: The prevalence of uterine malformations has been reported in up to 7% of the general population and 18% of those with recurrent pregnancy loss. The diagnosis, classification, management, and outcome of the management have been subject to debate for decades. Objective: The aim of this article is to summarize the current knowledge regarding the genetics of müllerian anomalies, the varied classification schemes, the appropriate diagnostic modalities, the surgical methods, and the obstetric outcomes related to these surgical methods...
June 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28655939/increased-anti-hsp60-and-anti-hsp70-antibodies-in-women-with-unexplained-recurrent-pregnancy-loss
#10
Miwa Matsuda, Aiko Sasaki, Keiko Shimizu, Yasuhiko Kamada, Soichi Noguchi, Yuji Hiramatsu, Mikiya Nakatsuka
 Vascular dysfunction has been reported in women with recurrent pregnancy loss (RPL). We investigated the severity of vascular dysfunction in non-pregnant women with RPL and its correlation with anti-heat shock protein (HSP) antibodies that are known to induce arteriosclerosis. We measured the serum anti-HSP60 antibodies, anti-HSP70 antibodies, and anti-phospholipid antibodies (APA) in 68 women with RPL and 29 healthy controls. Among the women with RPL, 14 had a diagnosis of antiphospholipid syndrome (APS), and in the remaining 54, the causes for RPL were unexplained...
June 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28650773/a-successful-live-birth-with-in-vitro-fertilization-and-thawed-embryo-transfer-after-conservative-treatment-of-recurrent-endometrial-cancer
#11
Sung Woo Kim, Hoon Kim, Seung-Yup Ku, Chang Suk Suh, Seok Hyun Kim, Young Min Choi
Estrogen-dependent early stage endometrial cancer is relatively common in young women of reproductive age. The standard treatment is hysterectomy and bilateral salpingo-oophorectomy (BSO), even in early stage well-differentiated endometrial cancer patients. This surgical option results in permanent loss of fertility. There have been some reports of live births using in vitro fertilization after conservative management of endometrial cancer with high-dose progestin for the purpose of fertility preservation. However, most were not recurrent cases and pregnancy was achieved through conventional in vitro fertilization, which usually raises serum estradiol levels and may lead to the recurrence of endometrial cancer...
June 26, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28647939/non-criteria-or-seronegative-obstetric-antiphospholipid-syndrome
#12
REVIEW
Luis J Jara, Gabriela Medina, Polita Cruz-Cruz, Javier Olivares-Rivera, Carolina Duarte-Salazar, Miguel A Saavedra
Obstetric antiphospholipid syndrome (Obs-APS) is one of the most commonly identified causes of recurrent pregnancy loss and its accurate diagnosis is a requirement for optimal treatment. Some patients do not fulfill the revised Sapporo classification criteria, the original APS classification criteria, and are considered to be non-criteria Obs-APS. In these patients with non-criteria, there is controversy about their inclusion within the spectrum of APS and eventually their treatment as having Obs-APS. A subset of patients may also have clinical characteristics of Obs-APS even though lupus anticoagulant (LA), anticardiolipin antibodies, and anti-β2-glycoprotein I (aβ2GPI) antibodies are consistently negative...
June 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28622710/effect-of-intravenous-immunoglobulin-on-th1-and-th2-lymphocytes-and-improvement-of-pregnancy-outcome-in-recurrent-pregnancy-loss-rpl
#13
Majid Ahmadi, Samaneh Abdolmohammadi-Vahid, Mahnaz Ghaebi, Leili Aghebati-Maleki, Amir Afkham, Shahla Danaii, Sedigheh Abdollahi-Fard, Lida Heidari, Farhad Jadidi-Niaragh, Vahid Younesi, Mohammad Nouri, Mehdi Yousefi
BACKGROUND: Women with elevated natural killer (NK) cell frequency and function during pregnancy, suffer from recurrent pregnancy loss (RPL). In the present study, the possible effect of intravenous immunoglobulin (IVIG) administration on Th1 and Th2 cell frequency, cytokine secretion, and expression of transcription factors is compared between RPL patients and control group. MATERIALS AND METHODS: Totally, 44 women with a history of RPL (32 women as treated group and 12 as control group) were enrolled in the study...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28621046/impact-of-borderline-subclinical-hypothyroidism-on-subsequent-pregnancy-outcome-in-women-with-unexplained-recurrent-pregnancy-loss
#14
Sayaka Uchida, Tetsuo Maruyama, Maki Kagami, Fumie Miki, Hanako Hihara, Satomi Katakura, Yushi Yoshimasa, Hirotaka Masuda, Hiroshi Uchida, Mamoru Tanaka
AIM: Because subclinical hypothyroidism (thyroid-stimulating hormone [TSH] > 4.5 IU/mL) is associated with adverse pregnancy outcome, including early pregnancy loss, TSH is recommended to be titrated to ≤2.5 mIU/L in levothyroxine-treated women before pregnancy. The purpose of this study was to determine whether borderline-subclinical hypothyroidism (borderline-SCH; 2.5 < TSH ≤ 4.5 IU/mL) affects the outcome of subsequent pregnancies in women with unexplained recurrent pregnancy loss (uRPL)...
June 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28620991/potential-positive-association-between-cytochrome-p450-1a1-gene-polymorphisms-and-recurrent-pregnancy-loss-a-meta-analysis
#15
Jie Li, Yang Chen, Sien Mo, Donghong Nai
In order to discover the potential genetic risks associated with recurrent pregnancy loss (RPL), this meta-analysis was conducted to assess the association between CYP1A1 gene polymorphism and RPL. Studies were retrieved from the databases PubMed, Embase, HuGENet, and CNKI. Four models were then applied. Seven studies, including three datasets for the rs1048943 and five for the rs4646903 single-nucleotide polymorphism (SNP), were included in this analysis, involving 613 cases and 398 controls for the rs1048943; and 864 cases and 842 controls for the rs4646903 SNP...
July 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/28618769/association-study-of-ctla-4-49a-g-gene-polymorphism-with-recurrent-pregnancy-loss-in-the-iranian-azeri-turkish-ethnic-group
#16
Mortaza Bonyadi, Sara Parsa, Simin Taghavi, Narges Zeinalzadeh
BACKGROUND/AIM: Recurrent pregnancy loss (RPL) is defined as two or more pregnancy losses. T-regulatory cells play an important role in the feto-maternal interface. Cytotoxic-T-lymphocyte antigen-4 (CTLA-4) is a molecule that downregulates the activation and proliferation of T cells. The objective of the current study was to investigate the possible association of CTLA-4+49A/G gene polymorphism with RPL among patients from the Iranian Azeri Turkish ethnic group. MATERIALS AND METHODS: The study group/patients consisted of 101 women with the experience of two or more pregnancy losses and the control group consisted of 101 women with at least two live births, without any previous history of pregnancy loss and autoimmune diseases from the same ethnic group...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28605668/association-of-endothelial-nitric-oxide-synthase-gene-variants-786-t-c-intron-4-b-a-vntr-and-894-g-t-with-idiopathic-recurrent-pregnancy-loss-a-case-control-study-with-haplotype-and-in-silico-analysis
#17
Alireza Azani, Asghar Hosseinzadeh, Roya Azadkhah, Ali Akbar Poursadegh Zonouzi, Ahmad Poursadegh Zonouzi, Younes Aftabi, Hourieh Khani, Leida Heidary, Shahla Danaii, Nasrin Bargahi, Nasser Pouladi, Sayed Mostafa Hosseini
OBJECTIVE(S): Many lines of evidence suggest that reduced production of nitric oxide (NO) due to single nucleotide polymorphisms in endothelial nitric oxide synthase (eNOS) gene may affect the implantation and maintenance of pregnancy. Accordingly, our objective was to investigate whether the eNOS polymorphisms (-786 T>C, intron 4 b/a VNTR and 894 G>T) and haplotypes may be associated with increased susceptibility to recurrent pregnancy loss (RPL). STUDY DESIGN: A total of 130 women with a history of two or more unexplained consecutive first trimester miscarriages and 110 ethnically matched women with at least two normal pregnancies and no history of pregnancy loss were included in the study as cases and controls, respectively...
May 30, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28603947/thrombophilic-gene-polymorphisms-and-recurrent-pregnancy-loss-in-greek-women
#18
M Chatzidimitriou, D Chatzidimitriou, M Mavridou, C Anetakis, F Chatzopoulou, T Lialiaris, S Mitka
INTRODUCTION: Recurrent pregnancy loss (RPL) is a multifactorial disorder. The aim of this study was the detection of various genetic polymorphisms and their correlation to RPL, in Greek women. METHODS: The impact of 12 thrombophilic polymorphisms was evaluated, among 48 Greek women with a history of RPL, vs 27 healthy parous women. Multiplex PCR and in situ hybridization on nitrocellulose films were performed, to investigate 12 genetic polymorphisms previously reported as risk factors for RPL...
June 12, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28596666/enoxaparin-induced-skin-lesions-in-pregnancy-a-rare-but-clinically-recognizable-association
#19
Sumeet Prakash Mirgh, Abhay A Bhave
We report the case of a 29 year old pregnant female who experienced itching with erythematous plaques on prophylactic enoxaparin for recurrent fetal losses. These lesions generalized on rechallenge but erythema and itching gradually resolved after 4 weeks of discontinuation. Cutaneous adverse events with heparin have been reported (Villanueva et al. in Actas Dermosifiliogr 103:816-819, 2012; Neloska et al. in Acta Dermatovenerol Croat 23:223-224, 2015; Maldonado et al. in Clin Exp Dermatol 37:707-711, 2012; Schindewolf et al...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28594768/detection-of-an-inherited-deletion-in-products-of-conception-in-a-patient-with-recurrent-losses-and-normal-karyotype
#20
Jeffrey Thorne, Alicia Craffey, John C Nulsen
BACKGROUND: Microarray analysis testing on products of conception can provide valuable information in the evaluation of recurrent pregnancy loss beyond ploidy status. CASE: A maternally inherited deletion on the X chromosome was detected by microarray analysis performed on products of conception in a couple with recurrent pregnancy loss. The mother had a previously demonstrated normal karyotype with standard cytogenetic analysis but was subsequently determined to have the same X chromosome deletion by oligonucleotide single-nucleotide polymorphism (SNP) microarray analysis...
June 6, 2017: Obstetrics and Gynecology
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