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Results 451 - 500 of 1917
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Glinianaia Svetlana V - - 2006
Population-based studies in twins have been of insufficient size to explore the relationship between risk of cerebral palsy and intrauterine growth. Earlier studies in singletons have suggested an optimum size at birth for minimum cerebral palsy risk between the 75th and 90th percentiles of weight for gestational age. We aggregated ...
Cho Hye Jin - - 2006
The purpose of this study is to compare perinatal outcomes of twin pregnancies complicated by gestational diabetes (GDM) with those unaffected by GDM. A total of 1,154 twin pregnancies who delivered at Cheil General Hospital, between January 1998 and December 2002 were recruited to participate in a retrospective analysis. Out ...
Chavez Martin R - - 2006
OBJECTIVE: This study was undertaken to determine the accuracy of our previously published and prospectively validated institution-specific singleton transcerebellar diameter (TCD) nomogram in the prediction of gestational age (GA) in twin pregnancies. We further evaluated whether the prediction of GA in twin gestations using the singleton TCD nomogram differs between ...
Staub Désirée - - 2006
OBJECTIVE: To generate reliable new reference ranges for symphysis-fundus height (SFH) in twin pregnancies using modern statistical methods and to evaluate whether small-for-gestational age (SGA) babies of women who had a SFH measurement after the 25th gestational week could be predicted by the SFH measurement in the reference curves and ...
McKenzie Pamela J - - 2006
OBJECTIVE: To analyse baby-feeding information needs and seeking described by Canadian women pregnant with twins. DESIGN: Qualitative; data were collected by in-depth semi-structured interviews. Transcripts provided the data for discourse analysis of the use of two interpretative repertoires. SETTING: Ontario, Canada. PARTICIPANTS: 19 women pregnant with twins. MEASUREMENTS AND FINDINGS: ...
Taylor Myles J O - - 2006
The epidemic of multiple pregnancy continues albeit in a different form with twin pregnancies predominating. Determination of chorionicity is the key to management and regular monitoring by ultrasound is a hallmark of quality care. All multiple pregnancies should be offered first trimester screening by nuchal translucency for aneuploidy. MC twins ...
Bagchi S - - 2006
This paper reviews the patterns of occurrence, measurement and the effect of birth weight discordance on fetal and neonatal mortality in multiple pregnancies (twins and triplets). Birth weight discordance is fairly common among multiple pregnancies, and about one-quarter of the twin deliveries are affected by a birth weight discordance of ...
Sato Yuichiro - - 2006
The monoamnionic placenta of this twin gestation had focal amnion necrosis, but this was present only over the fetal surface vessels of one twin; this twin also developed cerebral atrophy. We hypothesize that this degeneration is due to a more severely reduced oxygen tension in its vessels. The placental amnion ...
Shehata Bahig M - - 2006
Exposure of the fetus to indomethacin by administration of the drug to the mother may cause many side effects, including premature closure of the ductus arteriosus. Hypoxia is a predisposing factor for premature ductal closure and often occurs after maternal indomethacin therapy. We present two sets of monozygotic twins with ...
Gurvits Tamara V - - 2006
CONTEXT: Previous studies have demonstrated subtle neurologic dysfunction in chronic posttraumatic stress disorder (PTSD) manifest as increased neurologic soft signs (NSSs). The origin of this dysfunction is undetermined. OBJECTIVE: To resolve competing origins of increased NSSs in PTSD, namely, preexisting vulnerability factor vs acquired PTSD sign. DESIGN: Case-control study of ...
Ely John J - - 2006
Unlike monozygotic (MZ) twins, dizygotic (DZ) twins develop from separate ova. The resulting twins can have different sires if the fertilizing sperm comes from different males. Routine paternity testing of a pair of same-sexed chimpanzee twins born to a female housed with two males indicated that the twins were sired ...
Fick Andrea L - - 2006
OBJECTIVE: The purpose of this study was to define the association between unequal placental sharing and birth weight discordance in monochorionic/diamniotic twin pregnancies. STUDY DESIGN: The study comprised a prospective cohort of monochorionic/diamniotic twin pregnancies who were delivered in Kaiser Permanente-Northern California, 1997-2003. Dye injection studies of fresh postpartum placentas ...
Lopriore E - - 2007
Fetoscopic laser coagulation of placental vascular anastomoses is considered to be the treatment of choice in severe twin-to-twin transfusion syndrome. The aim of fetoscopic laser surgery is to separate completely the inter-twin placental circulation. Incomplete laser coagulation may result in residual vascular anastomoses. The incidence and clinical implications of residual ...
Tjoa May Lee - - 2006
OBJECTIVE: The aim of this study was to examine fetal gene expression in maternal plasma after fetoscopic intervention for twin-twin transfusion syndrome or congenital diaphragmatic hernia. STUDY DESIGN: Twelve women with pregnancies that were complicated by twin-twin transfusion syndrome and 10 women carrying fetuses with congenital diaphragmatic hernia were sampled ...
Yamamoto Masami - - 2006
PURPOSE OF REVIEW: Despite the recent demonstration of the benefit of the primary laser over amnioreduction, overall survival is far from optimal (70-80%), and therefore diagnosis and management of early and late complications following placental surgery became of great importance. RECENT FINDINGS: Laser therapy has proven to be better than ...
Salihu Hamisu M - - 2006
OBJECTIVE: To clarify the association between childhood pregnancy and risk of stillbirth. STUDY DESIGN: We analyzed singleton and twin pregnancies that occurred in children (10-14 years old) in the United States from 1989 to 2000. We estimated the absolute and relative risks of stillbirth by using 15- to19-year-old and 20- ...
Onuoha C E O - - 2006
Bipagous conjoined twins are rare with an incidence of 1 in 50,000 to 1 in 100,000 births, but rarer still are heteropagous dicephalic dipus with an incidence of 0.1-0.2 per 10,000 births. No more than 4 sets of such surviving twins-sharing an undivided torso and two legs have been recorded ...
Kato Noriko - - 2006
This study aimed to evaluate the prevalence of birthweight discordance among twins, to determine the risk cut-off point for birthweight discordance, and to clarify whether perinatal deaths are aggravated by birthweight discordance or by low birthweight itself. A population-based analysis of all twins born between 1995 and 1999 in Japan ...
Murphy Michael F G - - 2006
Pregnancy outcome and characteristics of women who conceive following subfertility treatment remains a subject of great interest. We analyzed these variables among 199 women who delivered a registerable twin birth compared with 1773 women who delivered a naturally conceived twin birth in a population-based obstetric cohort drawn from around Oxford, ...
Arabin B - - 2006
OBJECTIVE: To evaluate whether serial transvaginal sonographic examination of the cervix with the woman in a standing position improves the prediction of spontaneous preterm birth (SPB) compared with the conventional posture. METHODS: For both a recumbent and upright maternal position, the inter- and intraobserver agreement of cervical length (CL) measurement ...
Ballas Samir K - - 2006
Patients with sickle cell disease routinely take folic acid daily as a supplement to maintain effective erythropoiesis. One of the controversial effects of folic acid is its effect on twin gestation rates. In this report, we present our experience in patients with sickle cell disease and twin pregnancy. Our data ...
Trias L Tuulikki - - 2006
We analyzed depressive and psychosomatic symptoms in relation to parental preference in 419 twins at the age of 22 to 30 years. Depressiveness was elicited with Children's Depression Inventory and reported as a total score and three subscales (low self-confidence, anhedonia and sadness) based on factor analysis as reported in ...
Hayashi M - - 2006
Thrombin-antithrombin complex (TAT) is a sensitive marker for thrombin formation, and alpha2-plasmin inhibitor-plasmin complex (PIC) is a marker for fibrinolysis. Previous studies have shown that blood coagulation and fibrinolysis are activated in normal pregnancies. Thus, the present study examined changes in TAT and PIC levels during the course of singleton ...
Maeda Yuri - - 2006
OBJECTIVE: To elucidate the synchronization of phases of diurnal rhythms in fetal heart rate (FHR) baseline between twin fetuses and the occurrence of sustained fetal tachycardia. METHODS: FHR was simultaneously recorded in twins for 24 h in 7 monochorionic diamniotic (MD) and 8 dichorionic diamniotic (DD) twin pregnancies at 35 ...
Lopriore E - - 2007
Placental vascular anastomoses in monochorionic twins may lead to acute or chronic inter-twin transfusion. We report an uncommon form of chronic inter-twin transfusion, referred to as twin anemia-polycythemia sequence (TAPS), with severe anemia in one twin and polycythemia in the other, without the characteristically associated twin oligo-polyhydramnios sequence (TOPS) seen ...
Erez Offer - - 2006
OBJECTIVE: To identify maternal factors that increase the risk of preeclampsia in twin gestations and to investigate whether twins conceived by in vitro fertilization (IVF) lead to an increased risk of preeclampsia development. MATERIALS AND METHODS: A retrospective population-based cohort study of twin deliveries was performed. Maternal characteristics and perinatal ...
Stoel R D - - 2006
The heritability of sensation seeking is investigated in an extended twin design, including mono- and dizygotic twins and their siblings. Besides a comparison of the phenotypic resemblance between monozygotic twins and dizygotic twins, the design allows for an explicit test of the assumption that results from twins may be generalized ...
Vadlamudi Lata - - 2006
PURPOSE: Benign rolandic epilepsy (BRE) is considered a genetically determined idiopathic partial epilepsy. We analyzed a large sample of twins from four international twin registers to probe the genetics of BRE. We also aim to synthesize the apparently conflicting family and twin data into a model of BRE etiology. METHODS: ...
Suzuki Shunji - - 2006
We performed uterine artery Doppler velocimetry in 16 nulliparous and 16 parous women with non-preeclamptic singleton gestations and 16 nulliparous and 16 parous women with dichorionic twin gestations at 17-18 and 26-27 weeks of gestation. In both singleton and twin pregnancies, the average pulsatility index (PI) in nulliparous women was ...
Cordero L - - 2006
BACKGROUND: Monochorionic monoamniotic twins (MoMo) occur in one of 10,000 pregnancies. Cord entanglement, malformations, twin-to-twin transfusion syndrome (TTS) and prematurity are responsible for their high perinatal morbidity and mortality. OBJECTIVE: To report our experience with 36 sets of MoMo twins (1990 to 2005) and to provide updated information for counseling. ...
Hayashi M - - 2006
Macrophage colony-stimulating factor (M-CSF) is present in the placenta and has been implicated in placental growth and development. M-CSF levels in peripheral blood increase significantly with progression of pregnancy in uncomplicated singleton pregnancy. This study investigated whether serum M-CSF levels in singleton pregnancy differed from those in twin pregnancy. A ...
Dalal Ashwin B - - 2006
We report a case of a 26-year-old multigravida pregnant woman with a history of 3 stillbirths with hydrops fetalis who presented with 17 weeks menstrual age. Sonographic examination revealed twin gestation. Twin 1 showed subcutaneous edema, pleural effusion, and mesomelic limb shortening, suggestive of lethal skeletal dysplasia (Roberts syndrome). Twin ...
Wøjdemann Karen R - - 2006
OBJECTIVES: To establish the distribution of serological and ultrasound first-trimester Down syndrome markers in twins and identify correlations of significance for risk calculation. METHODS: Nuchal translucency (NT), PAPP-A and betahCG data were extracted from 181 twin pregnancies (31 mono- and 150 dichorionic) with a normal outcome. All pregnancies were consecutively ...
Maymon Ron - - 2006
BACKGROUND: To investigate whether second trimester serum inhibin levels differ in pregnancies conceived by assisted reproduction technology (ART). METHODS: In Israel, serum samples from twin pregnancies were obtained for inhibin testing from women either referred for routine ultrasound monitoring, follow up after multi-fetal reduction or amniocentesis, largely for advanced maternal ...
Cai Li-yi - - 2006
BACKGROUND: This study determined whether twins conceived through assisted reproduction technology (ART) have an increased risk of perinatal complications compared with natural twin pregnancies and investigated potential associated major risk factors. METHODS: This retrospective study consisted of 199 twins born between 1994 and 2003. There were four groups according to ...
Cheng Po-Jen - - 2006
BACKGROUND: Chromosomal abnormality in one fetus of a monozygotic twin pregnancy is rare, and discussion of prenatal detection of such a case offers some insight into this clinical problem. CASE: A 28-year-old gravida 1 had ultrasound screening at 11 weeks of gestation that revealed a monochorionic, diamniotic twin pregnancy with ...
Meirowitz Natalie B - - 2006
BACKGROUND: Placental abscess formation is rarely recognized prenatally. We present a case detected ultrasonographically that developed from a central line infection and caused recurrent maternal bacteremia. CASE: A young woman with a 21-week twin gestation presented with recurrent fevers. She had received treatment for bacteremia due to Serratia marcescens. The ...
Akl Mohamed N - - 2006
BACKGROUND: Sirenomelia is a rare congenital malformation characterized by fusion of the lower extremities and is associated with renal agenesis and absent bladder. Oligohydramnios usually occurs early in pregnancy. CASE: A 21-year-old primigravida with a twin gestation was diagnosed with sirenomelia in 1 of the twins at 18 weeks; they ...
Ozbay K - - 2006
We diagnosed active brucellosis infection at the tenth week of gestation in a woman with a twin pregnancy. Antimicrobial therapy with rifampicin was started at 900 mg/day and continued for six weeks. Healthy twins were delivered at the 38th week of gestation. Early and adequate treatment of maternal brucella infection ...
Rodeck Charles H - - 2006
The twin-twin transfusion syndrome (TTTS) complicates approximately 15% of monochorionic twin pregnancies. Severe TTTS is associated with poor neonatal outcome and a relatively high rate of neurological abnormalities. Some studies have suggested this outcome to be more severe in cases treated by amnioreduction. In this paper we present a hypothesis ...
Huber A - - 2006
OBJECTIVES: To assess the natural history and perinatal outcome in monochorionic diamniotic twin pregnancies with discordant amniotic fluid volume without signs of severe twin-twin transfusion syndrome (TTTS). METHODS: This was an observational study of 84 consecutive monochorionic twin pregnancies which did not meet the criteria for severe TTTS and endoscopic ...
Mendilcioglu Inanc - - 2006
OBJECTIVE: We report on a case of a triploidy in one fetus of a twin pregnancy who presented with the findings of growth discordance. METHODS: Three weeks' difference between fetuses in ultrasonographic measurements in the first trimester was observed in a twin pregnancy following intracytoplasmic sperm injection (ICSI) treatment for ...
Bakr Ahmad F - - 2006
BACKGROUND: The question about outcome in twins delivered early versus late remains unanswered. The objective of this study was to evaluate the association of the timing of delivering twins and the perinatal outcome. METHODS: A prospective cohort study was carried-out in Alexandria University Maternity Hospital. We planned to examine the ...
Iannone Giovanni - - 2006
Few long-term studies have yet described neuropsychological outcome in preterm twins. Our aim was to assess, by long-term evaluation, neuropsychological outcome in preterm twins in order to define a correct follow-up program. Our study was a cohort one, with an index and a comparison group. Neonatal medical records of all ...
Hajdu J - - 2006
OBJECTIVE: To find connection between the type of congenital heart malformations and twin pregnancies. METHOD: Retrospective analysis of data of fetal cardiology database between 1 January 1996 and 30 November 2003. RESULTS: In single pregnancies 455 and in twin pregnancies 31 severe congenital heart malformations were diagnosed prenatally. In monozygotic ...
Verona Leonardo Lima - - 2006
OBJECTIVE: To report on a pair of monozygotic female twins discordant for Goldenhar syndrome. DESCRIPTION: The affected twin was a girl, who was delivered by caesarean section at 35 weeks' gestation. Her birth weight was 2,170 g, length 42.5 cm, head circumference 30 cm and her Apgar scores were 3/7. ...
McDonnell Ciara M - - 2006
The case reports a neonate (twin 2 of a twin girl pregnancy) presenting with seizures due to hypocalcaemia. The presumptive cause of the hypocalcaemia was maternal hyperparathyroidism with concurrent vitamin D deficiency. The first twin remained free of hypocalcaemia and was vitamin D replete, despite similar exposure in the pregnancy ...
Shen O - - 2006
OBJECTIVE: To determine the relationship between amnionicity and number of yolk sacs before 11 weeks of gestation. METHODS: Twenty-two cases of monochorionic multiple pregnancy were scanned before 11 weeks of gestation. There were 21 sets of twins and one of triplets. Amnionicity was determined by visualization of a dividing amniotic ...
Hackney D N - - 2006
OBJECTIVE: Coagulation abnormalities after single fetal demise are well described, but similar cases had not been previously reported following therapeutic selective termination. CASE: A 23-year-old G(3) P(2001) with a monochorionic-diamnionic twin pregnancy underwent selective termination at 20 4/7 weeks for severe twin-twin transfusion syndrome. Her fibrinogen thereafter decreased and she ...
Petraskiene R - - 2006
Obtaining the maximal number of calves from each cow according to its natural genetic reproduction ability is the main condition of intensification of reproduction and increase of milk production. Twins rate in the black-and-white cattle population in Lithuania is 2.4%. Cows whose mothers have calved twins at least 1 time ...
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