Search Results
Results 301 - 350 of 1438
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Ghalili Ava - - 2013
The widespread use of assisted reproductive technologies has led to an increase in the prevalence of monozygotic twins. Twinning after blastocyst transfer results in monochorionic placentation; a form of placentation that is associated with higher risks of mortality and morbidity. This study describes complication rates of monochorionic diamniotic (MCDA) twin ...
Kaser Daniel J DJ Department of Obstetrics, Gynecology and Reproductive Biology, Brigham and Women's Hospital, Division of Reproductive Medicine, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, - - 2013
To determine embryo and cycle-specific parameters associated with twin live birth in day 3 cryopreserved double embryo transfer (DET) cycles, and to propose a new prediction model for external validation. All cycles with autologous or donor cryopreserved DET of day 3 embryos from 2002 to 2011 at a single academic ...
Russo Francesca M - - 2013
To estimate the risk of stillbirth in dichorionic and monochorionic twins compared with singletons, and to evaluate the relevant causes of stillbirth in each group. A retrospective cohort analysis of all pregnancies ≥22 weeks of gestation was performed at a tertiary care center from January 1995 to June 2011. The ...
Essaoui M - - 2013
Discordant chromosomal anomalies in monozygotic twins may be caused by various timing issues of erroneous mitosis and twinning events. Here, we report a prenatal diagnosis of heterokaryotypic monozygotic twins discordant for phenotype. In a 28-year-old woman, ultrasound examination performed at 26 weeks of gestation, detected intrauterine growth restriction and unilateral ...
Bodnar Lisa M LM Department of Epidemiology, University of Pittsburgh Pittsburgh, Pennsylvania 15261, USA. - - 2013
To assess whether there was an independent association between maternal 25-hydroxyvitamin D concentrations at 24-28 weeks of gestation and preterm birth in a multicenter U.S. cohort of twin pregnancies. Serum samples from women who participated in a clinical trial of 17 α-hydroxyprogesterone caproate for the prevention of preterm birth in ...
Turkcapar F - - 2013
Our aim was to investigate whether the maternal serum concentrations of first and second trimester serum analytes are altered in familial Mediterranean fever (FMF) pregnancies. The screening tests were compared in a series of 16 serum samples from FMF pregnancies and in a cohort of 48 pregnant women with normal ...
Lynn Karen N - - 2013
The objective of this series was to assess sonographic and clinical findings in patients with hyperreactio luteinalis (HL; enlarged ovaries). We retrospectively identified 31 patients with HL and collected data including gestational age, maximum ovarian size, and pregnancy outcomes. Hyperreactio luteinalis was detected at a mean gestational age of 21.6 ...
Fox Nathan S - - 2013
Abstract Objective: In singleton pregnancies, a uterine anomaly is a known risk factor for preterm birth and fetal growth restriction. Data on outcomes of twin pregnancies with uterine anomalies is limited to case reports. The objective of this study was to compare outcomes in twin pregnancies based on the presence ...
Eixarch Elisenda - - 2013
To evaluate the independent and combined value of gestational age, fetal weight, feto-placental Doppler, and myocardial performance index for the prediction of individual risk of early (≤7 days) intrauterine fetal death (IUFD) after laser therapy in twin-twin transfusion syndrome (TTTS). A consecutive series of 215 cases of TTTS treated with ...
Fox Nathan S - - 2013
Abstract Objective: To compare pregnancy outcomes in twin pregnancies based on maternal prepregnancy body mass index (BMI). Methods: Historical cohort study of all twin pregnancies >24 weeks managed by one maternal-fetal medicine practice from 2005-2012. We compared pregnancy outcomes between prepregnancy obese (BMI ≥30 kg/m(2)) and normal weight women (BMI ...
Liao Tb - - 2013
The aim of this study was to investigate fetal venous Doppler in monochorionic (MC) twin pregnancies complicated by placental insufficiency and the relationship between fetal venous flow and acidemia at birth or intrauterine fetal death. This was a prospective study of 18 MC twin pregnancies with placental insufficiency. Inclusion criteria ...
Yam Eileen A - - 2013
Female sex workers (FSW) often have unprotected sex. Emergency contraceptive pills (ECP) are an important back-up method to prevent unwanted pregnancy among FSW. We examine ECP use among FSW in Swaziland. Using data from a 2011 respondent-driven sampling survey of 325 Swazi FSW, we explored the association between individual characteristics ...
Amadou A - - 2013
Objective. To report a series of cases of anencephaly in twin pregnancies and assess the prognosis of the normal twin. Patients and methods. Retrospective study covering 4 years, at the CHU Campus in Lomé, assessing the sonographic aspects and management of cases of anencephaly in twin pregnancies. Results. Anencephaly was ...
Girma Sourafel - - 2013
Previous work based on conjectural responses of minors predicted that the 2003 Texas requirement for parental consent for state-funded birth control to minors would lead to a large increase in underage pregnancies. We use state- and county-level data to test this prediction. The latter allow us to compare the impact ...
Johansen Marie Louise - - 2013
OBJECTIVES: To evaluate the usefulness of first trimester crown-rump length (CRL) discordance in predicting adverse outcome in twin pregnancies. METHODS: This retrospective study included a large cohort retrieved from local ultrasound databases at 14 obstetric departments in Denmark, comprising all twin pregnancies with two live fetuses scanned between 11 and ...
Favre Romain - - 2013
OBJECTIVE: To compare the angio-architecture of monochorionic placentas of spontaneous twin anaemia-polycythemia sequence (TAPS) with placenta of Twin to Twin Transfusion Syndrome (TTTS) with residual anastomoses after laser coagulation and placentas of uncomplicated monochorionic twin pregnancies. METHODS: This case-control study compares the angio-architecture of monochorionic placentas of spontaneous TAPS (n = 12) ...
Journée S L - - 2013
Transvaginal ultrasound-guided pregnancy reduction (TUGR) is a procedure described for the management of twins post-fixation in the horse. Success rates are often disappointing but are reported to be more favorable for bilaterally situated twins and when intervention takes place before day 35 of gestation. This study aimed to determine whether ...
Liu Jianghong J School of Nursing, University of Pennsylvania, Philadelphia, PA, USA. - - 2013
This study aims to assess the validity of maternal recall for several perinatal variables 8-10 years after pregnancy in a twin sample. Retrospective information was collected 8-10 years after the delivery event in a cohort of mothers from the University of Southern California Twin Study (N = 611) and compared ...
Kosińska-Kaczyńska Katarzyna - - 2013
To evaluate data regarding neonatal mortality and short term morbidity among iatrogenic late preterm (ILP) and spontaneous late preterm (SLP) twin births, and to estimate whether medical interventions - induction of labor in this particular context, are associated with better or poorer outcomes. Retrospective analysis of 110 late preterm dichorionic ...
Nabavi Mohammad - - 2013
The cord blood IgE level is thought to be a predictor of allergic disorders in childhood. It is not well understood how this marker is influenced by the fetal environment, such as maternal, paternal, placenta, and fetal characteristics. We aimed to investigate the association between cord blood IgE levels and ...
Kanasugi Tomonobu - - 2013
We report a rare case of a monochorionic twin gestation after intracytoplasmic sperm injection (ICSI) in which one of the fetuses had VACTERL association. A 27-year-old woman became pregnant by ICSI and was found to have monochorionic twin fetuses. One fetus was noted to have the following anomalies: a multicystic, ...
Ward Morgan A - - 2013
Twin-twin transfusion syndrome (TTTS) is a complication of multiple gestation in which arteriovenous vascular communications occur in a shared placenta. Due to these communications, there is an imbalance of blood flow between the developing fetuses. This results in 1 twin becoming the donor and the other becoming the recipient. In ...
Akaba Godwin Otuodichinma - - 2013
Studies on twin pregnancy are uniquely important to Africa and particularly Nigeria where the highest incidence in the world exists. This study was designed to determine the trend, rate, and obstetric outcomes of twin deliveries in the University of Abuja Teaching Hospital, Gwagwalada. This was a retrospective study of twin ...
Danon David D The University of Queensland, UQ Centre for Clinical Research, Centre for Advanced Prenatal Care, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia. - - 2013
To estimate the risk of stillbirth in apparently uncomplicated monochorionic-diamniotic twin pregnancies by systematic review and meta-analysis and compare it with that in uncomplicated dichorionic pregnancies. We performed an electronic search (January 1985 to April 2012) of Medline, PubMed, Embase, and ClinicalTrials.gov databases. Studies detailing gestational-age specific stillbirth rates after ...
Liu Xi R - - 2013
To evaluate the effect of cervical cerclage on preventing preterm birth in twin pregnancies. We searched Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, EMBASE, Current Controlled Trials, China Biology Medicine (CBM), Chinese National Knowlegde Infrastructure (CNKI) and VIP Chinese Journal database (VIP) from April to August 2012. All available ...
Vulić Marko - - 2013
The aim of the study was to compare perinatal outcome of singleton and twin pregnancies conceived after assisted reproductive technologies (ART). This retrospective study included singleton and twin pregnancies conceived after ART in the period from January 1, 2007 until December 31, 2008. The study variables were maternal age (years), ...
Cosmi Erich - - 2013
The aim of this study was to assess the aorta-intima thickness (aIT) and serum metabolomic profile in selective intrauterine growth-restricted (sIUGR) monochorionic diamniotic (MCDA) twin fetuses presenting Doppler velocimetry alterations. Fetal abdominal aIT was measured by ultrasound at 32 weeks of gestation, enrolling 24 MCDA twin fetuses (8 sIUGR and ...
Kyono Koichi - - 2013
There is a long-held credo, as illustrated in Langman's Medical Embryology (11th ed., Sadler, 2010), that dichorionic diamniotic (DD) twins develop after embryo splitting in the early stages of embryonic development. However, from our clinical experiences of the examination of data from single-embryo transfers in 16 fertility clinics in Japan ...
Vink Joy - - 2013
OBJECTIVE: Accurate amniocentesis-related pregnancy loss (ARL) rates for twin gestations remains elusive due to varying ARL definitions in the literature. We examined how OB/GYNs define/counsel women carrying twins about ARL. METHODS: A random sample of 1000 American College of OB/GYN (ACOG) fellows and ACOG Collaborative Ambulatory Research Network (CARN) members ...
Genova L - - 2013
Twin anemia-polycythemia sequence (TAPS) is a rare condition which may occur either spontaneously in uncomplicated monochorionic twin pregnancies or may develop after laser treatment in twin-twin transfusion syndrome. TAPS is characterized by a large intertwin discordance in hemoglobin levels without discordance in amniotic fluid levels, and may lead to severe ...
Chen Kristen - - 2013
Chimerism occurs when an organism contains cells derived from more than one distinct zygote. We focus on monochorionic dizygotic twin blood chimerism, and particularly twin-twin transfusion syndrome in such pregnancies. For years, researchers have understood chimerism to be a common phenomenon in cattle. Although, this review will not delve deeply ...
Alves Elisabete E Department of Clinical Epidemiology, Predictive Medicine and Public Health, University of Porto Medical School , Porto , Portugal - - 2013
Hypertensive disorders complicating pregnancy increase the risk of adverse obstetric and perinatal outcomes. To assess the impact of age, education, family history of cardiovascular disease, pre-pregnancy overweight/obesity and weight gain during pregnancy on hypertensive disorders, among primiparae and multiparae. In a birth cohort study, puerperae were consecutively recruited at public ...
Svirsky Ran - - 2013
Abstract Aims: To determine first trimester maternal serum placental protein 13 (PP13) in singletons vs. twins with and without severe preeclampsia (PE). Methods: Serum samples were prospectively collected at 8-14 weeks of gestation. PP13 was determined by solid-phase immunoassay. Patients were recruited in community clinics throughout the country, and from ...
Antsaklis Aris - - 2013
Abstract Aim: To investigate the characteristics of twin pregnancies and their mode of delivery over a 30-year period, in order to define the current trends in clinical practice regarding twin deliveries and the factors that influence these practices. Materials and methods: A retrospective study of twin deliveries at ≥24 weeks ...
Turunen Kaisa - - 2013
Intrahepatic cholestasis of pregnancy has been shown to have a genetic predisposition. We studied whether Finnish women who had suffered from the disorder reported their first degree relatives to have had liver dysfunction during their pregnancies. Questionnaires were sent in autumn 2010 to a total of 544 former intrahepatic cholestasis ...
Okby Rania - - 2013
Abstract OBJECTIVE: The aim of this study was to investigate whether induction of labor in twin pregnancies is associated with higher rates of maternal complications as compared to singletons. METHODS: A retrospective population-based study was conducted to compare maternal complications following induction of labor in twin pregnancies and singletons at ...
Ashoor Ghalia - - 2013
Background: Thyroid disease during pregnancy may be associated with increased risk of various pregnancy complications. It is known that serum thyroid stimulating hormone (TSH) is suppressed by human chorionic gonadotrophin (hCG) in early pregnancy, and that higher hCG levels in twin pregnancies may cause a more pronounced physiologic suppression, this ...
Davanzo Julie - - 2013
We investigate factors affecting women's decisions to terminate pregnancies in Matlab, Bangladesh, using logistic regression on high-quality data from the Demographic Surveillance System on more than 215,000 pregnancies that occurred between 1978 and 2008. Variables associated with the desire not to have another birth soon (very young and older maternal ...
Hjortø Sofie - - 2013
Abstract Objectives: To investigate the effect of chorionicity and twin-to-twin delivery time interval on short-term outcome in the second twin. Additionally, to investigate predictors of adverse outcome in both twins. Methods: Data included vaginally delivered twins (≥ 36 weeks) from Copenhagen University Hospitals (2001-09). The association between delivery interval and ...
Pagani Giorgio - - 2013
OBJECTIVES: The aims of this study were to ascertain the outcome of twin reversed arterial perfusion (TRAP) sequence cases managed in our unit and to systematically review the cases reported in the literature treated using intrafetal laser therapy. METHODS: This was a retrospective cohort study of all TRAP sequence cases ...
Dragović Milan - - 2013
Lateralization of brain functions such as language and manual dominance (hand preferences and fine motor control) are most likely under genetic control. However, this does not preclude the effect of various environmental factors on functional brain lateralization. A strong association of non-right-handedness (left- and mixed-handedness) with various neurodevelopmental conditions (e.g. ...
Al Riyami Nihal - - 2013
The aim of this study is to compare the neonatal outcomes of monochorionic and dichorionic twin pregnancies. A retrospective cohort study involving 51 twin pregnancies followed and delivered at Sultan Qaboos University Hospital was conducted between January 2006 and December 2011. Thirty six (71%) pregnancies were dichorionic diamniotic (DCDA), 14 ...
Byers Benjamin D - - 2013
To evaluate the perinatal outcomes in twin pregnancies discordant for single umbilical artery (SUA). This was a retrospective cohort study. Our database was searched for all cases of twin gestation and SUA from 1997-2009. We reviewed all the maternal and neonatal records and placental pathology reports. The outcomes of the ...
Segal Nancy L - - 2013
The twin children who survived the Holocaust and the horrific medical experiments conducted by Nazi doctors are sometimes overlooked in the relevant literature. This topic and more were discussed as part of an annual conference hosted by students from Yeshiva University's Medical Ethics Society in October 2012. A selective summary ...
Zhao D P - - 2013
INTRODUCTION: Most monochorionic (MC) twin pregnancies have an uncomplicated course, but some develop severe complications including selective intrauterine growth restriction (sIUGR), twintwin transfusion syndrome (TTTS) and twin anemia-polycythemia sequence (TAPS). The underlying pathogenesis of these various complications is associated with the ubiquitous presence of vascular anastomoses in MC placentas. METHODS: ...
Flöck A - - 2013
OBJECTIVE: Nuchal translucency (NT) measurement in assisted reproduction treatment (ART) twins is less extensively investigated. Therefore, the present study compared NT measurements of spontaneously conceived twins with ART twins in dichorionic (DC) and monochorionic (MC) pregnancies. METHODS: Retrospective analysis of 706 unaffected twins between 11 + 0 and 13 + 6 weeks conceived either ...
Yogev Yariv - - 2013
Abstract OBJECTIVE: To compare the performance of the 50g-glucose challenge test (GCT) and the 100g-oral glucose tolerance test (OGTT) in twin versus singleton pregnancies. METHODS: A retrospective study of all women who underwent a GCT (24 to 28 weeks) and delivered in a single tertiary medical center (2001-2012). The performance ...
De Paepe Monique E - - 2013
Abstract Approximately 20% of all twin pregnancies are monochorionic. Between 9% and 15% of all monochorionic twin gestations are complicated by severe chronic twin-to-twin transfusion syndrome (TTTS), characterized by a gradual shift of blood volume from the donor twin to the recipient twin through placental vascular connections 1-3. The prognosis ...
Biederman Joseph J Clinical and Research Programs in Pediatric Psychopharmacology and Adult ADHD, Massachusetts General Hospital , Boston, MA , - - 2014
Preclinical studies link prenatal nicotine exposure with the development of both ADHD-like phenotype in rodents and blockade of extinction learning in a fear conditioning paradigm, a preclinical model of posttraumatic stress disorder (PTSD). While these findings suggest that either ADHD, prenatal nicotine exposure, or both could be a risk factor ...
Kutuk Mehmet S - - 2013
Backround: The schisis theory suggests that neural tube defect (NTD), cleft lip and palate (CL/P), omphalocele and diaphragmatic hernia are associated to each other more frequently than at the expected random combination rates in a given fetus. However, it is unusual to see schisis-associated defects concordantly in dichorionic twin pregnancy ...
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