Search Results
Results 551 - 600 of 1077
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Shimizu Y - - 1999
OBJECTIVE: To investigate the incidence of spontaneous conception after the birth of infants conceived through IVF in couples with subfertility caused by endometriosis, a mild male factor, or unexplained factors, and to identify clinical conditions related to the occurrence of spontaneous conception. DESIGN: Retrospective analysis. SETTING: Department of Obstetrics and ...
Atilla H - - 1999
PURPOSE: To report microesotropia in twins as a unique example of the role of heredity in primary microstrabismus. METHODS: Clinical records of the examinations of monozygotic twins with primary microstrabismus were reviewed. RESULT: Microstrabismus with different clinical findings was present in monozygotic twins. The family history and personal history of ...
Wafelman L S - - 1999
Prognostic factors for survival of 62 fetuses and neonates with nonimmune hydrops fetalis (NIHF) were studied retrospectively. Twenty-eight infants survived >/=28 days which is 45% for all fetuses and newborns diagnosed with NIHF and 61% for liveborns with unresolved NIHF. Univariate analysis identified that mortality was associated with the presence ...
Glinianaia S V - - 1998
The dynamics of perinatal mortality rates (PNMR) and causes of death in twin pregnancies over 13 years in the Northern Region of the National Health Service in England is described. All twin perinatal deaths occurring between 1982-1994 were identified from the Northern Region Perinatal Mortality Survey. The twinning rate increased ...
Skupski D W - - 1998
OBJECTIVE: The use of serial amniotic fluid volume reduction for the treatment of twin-twin transfusion syndrome (TTTS) became available about 1986 and may account for a recent increase in survival of TTTS twins. To determine whether the increase in survival has been due to advances in neonatal care rather than ...
Tuladhar R - - 1998
RATIONALE: Recognition of micropenis is important because it may be the only obvious manifestation of pituitary or hypothalamic hormone deficiencies. Alternatively it may indicate the presence of dysgenetic testicular tissue with malignant potential. Previously published normal ranges for premature males are based on small sample sizes, with few infants <30 ...
Hamilton E F - - 1998
OBJECTIVE: The objective was to determine whether small twins had a survival advantage with respect to small singletons after controlling for other factors associated with adverse perinatal outcome. STUDY DESIGN: A hospital-based cohort study included all births between 1980 and 1995 of babies born between 24 and 43 weeks' gestation. ...
Jaffar S - - 1998
Little is known about birth or mortality rates of twins in The Gambia. There are no reports of the causes of death among twins in sub-Saharan Africa. We identified twin births and deaths from a community-based study which had been carried out in a large rural region of The Gambia ...
Donovan E F - - 1998
OBJECTIVE: The study's aim was to compare outcomes of very low birth weight twins with those of matched singletons. STUDY DESIGN: With data from the Neonatal Research Network registry (May 1991 to December 1994), univariable and multivariable comparisons of very low birth weight twin pairs and singletons were performed in ...
Bellodi L - - 1998
OBJECTIVE: The authors investigated the role of genetic factors in 35% CO2-induced panic attacks. METHOD: Ninety twins recruited from the general population were challenged with one-vital-capacity inhalations of 35% CO2-65% O2. Probandwise concordance rates were calculated and rates compared for monozygotic and for dizygotic twins. RESULTS: A significantly higher concordance ...
Glinianaia S V - - 1998
BACKGROUND: There is evidence to suggest a masculinizing effect on female intrauterine development in unlike-sexed twins. The purpose of the present report was to examine the possible effects of male presence on fetal growth in females by comparing mean birthweights in members from dizygotic unlike-sexed (DZU) pairs with those from ...
Woodrow N - - 1998
Seventeen fetuses were diagnosed with isolated congenital talipes equinovarus (CTEV) on mid-trimester ultrasound at the Royal Women's Hospital, Melbourne, between January, 1992 and December 1995. Sixteen of the 17 cases had an amniocentesis performed and all karyotypes were normal. The remaining case was phenotypically normal, except for a clubfoot. None ...
Weissman A - - 1998
OBJECTIVE: To compare the outcome of matched triplets and twins delivered by cesarean section by order of delivery. STUDY DESIGN: 39 sets of triplets delivered abdominally were matched to 39 sets of twins also delivered by cesarean section in the same gestational age. The newborns outcome according to their birth ...
Battin M - - 1998
The objectives of this paper are to examine (a) the survival of extremely low-gestational-age (ELGA) infants born at 23-28 weeks' gestational age (GA) and (b) the neurodevelopmental outcome at 18 months corrected age for those born at 23-25 weeks' GA during 1991-1993, when antenatal steroids, surfactant, and dexamethasone for bronchopulmonary ...
Hedriana HL - - 1998
Objective: To determine rates of perinatal mortality and morbidity from 24 to 43 weeks gestation among singletons, twins, and triplets.Methods: Successfully linked data from 1992 Californian maternal and infant discharge records as well as birth and death certificates from acute care civilian hospitals were examined for perinatal mortality and morbidity. ...
Cooperstock M S - - 1998
OBJECTIVE: To assess the influence of maternal race, age, marital status, and education on risk for earlier and later preterm births in twin pregnancies. METHODS: We analyzed 8109 white and 1906 black liveborn twin pregnancies in the Missouri Linked Sibship files for the years 1978-1990, using contingency tables and multiple ...
Raz S - - 1998
The goal of this study of 66 twins was to determine whether motor and cognitive functions assessed in early and middle childhood are vulnerable to perinatal hypoxic risk. In an earlier study of 76 infant and toddler twins (S. Raz, F. Shah, & C. Sander, 1996), the authors found that ...
Jackson G D - - 1998
OBJECTIVE: To test both the genetic and acquired hypotheses for the etiology of hippocampal sclerosis (HS) by studying with optimized and quantitative MRI three monozygous (MZ) twin pairs in which the index twin had temporal lobe epilepsy and HS. BACKGROUND: There is conflicting evidence in the literature regarding whether HS ...
Berg-Lekås M L - - 1998
OBJECTIVE: A cohort study was conducted to determine the risk of dystocia for women whose mothers, sisters, or twin sisters had dystocia during childbirth. STUDY DESIGN: A linked database was constructed between 2 separate Swedish birth registries. Obstetric data on mothers giving birth to daughters during the period 1955 to ...
Minakami H - - 1998
The outcomes of twins conceived by 136 women after medical assistance (MA) such as ovulation induction with or without assisted reproductive techniques, and twins conceived spontaneously (SP) by 72 women were compared. All 208 women were monitored from < 20 weeks gestation; they all delivered at > or = 24 ...
O'Kusky J R - - 1998
Morphometric analyses were performed to investigate the progressive and regressive phases of synaptogenesis in the hypoglossal nucleus of the rat during normal postnatal development. The total volume of the hypoglossal nucleus and both the numerical density (NV, contacts per mm3) and total number of synapses were measured at 5-day intervals ...
Watson W J - - 1998
Chorioamnionitis has generally been thought to be a contraindication to attempting a delayed interval delivery in a multiple gestation. We present a twin gestation in which a delay of 88 days between the birth of the two infants occurred. Chorioamnionitis observed immediately after the delivery of Twin A was successfully ...
Riese M L - - 1998
The predictive relation between neonatal reactivity and 12-, 18-, and 24-month temperament was assessed for 22 appropriate-for-gestational-age (AGA)/small-for-gestational-age (SGA) twin pairs. Neonatal reactivity included ratings of visual and auditory orienting responses to a bull's-eye, rattle, bell, voice, and face plus voice combined, as well as alertness. Infant temperament ratings were ...
Ananth C V - - 1998
OBJECTIVE: To establish fetal growth nomograms for twin gestations, categorized by placental chorionicity, and to compare them with those of published singleton and twin nomograms. METHODS: Computerized data files of live births of all twins delivered between January 1990 and October 1996 at Saint Peter's Medical Center were used. Birth ...
Moise J - - 1998
It has been suggested that the high rates of prematurity, low birth weight, perinatal morbidity and mortality in in-vitro fertilization (IVF) infants are due to the increased frequency of multiple gestations in this population. The aim of our study was to test this hypothesis by comparing the outcome of IVF ...
Tramo M J - - 1998
Many studies of monozygotic (MZ) twins have revealed evidence of genetic influences on intellectual functions and their derangement in certain neurologic and psychiatric diseases afflicting the forebrain. Relatively little is known about genetic influences on the size and shape of the human forebrain and its gross morphologic subdivisions. Using MRI ...
Hilfiker M L - - 1998
Omphalopagus conjoined twins were born by cesarean section after their 24-year-old gravida 2, para 1 mother went into labor at 35 weeks' gestation. Initial studies included roentenograms, an upper gastrointestinal study, small bowel follow-through, and computerized tomography with intravenous contrast from neck through pelvis. Results of these studies showed that ...
Ruiz-Maldonado R - - 1998
BACKGROUND: Extensive epidermal necrosis in newborn infants is an unusual event of heterogeneous cause. OBJECTIVE: The objective of this article is to describe what seems to be a previously unrecognized lethal disease. METHODS: The clinical and histopathologic features of three premature infants, two of them nonidentical twins, and the autopsy ...
Vanderzon D M - - 1998
BACKGROUND: Conjoined twins with a doubling of all cranial structures, having two vertebral columns along their entire body length yet with a single pelvis, have not been described in the literature. The cause of conjoined twinning is incompletely understood; however, two main theories (fission and fusion) have been proposed and ...
Williams M C - - 1998
The etiology of increased rates of cerebral palsy (CP) in twins is unclear, but likely is associated with growth retardation, which occurs more often in twins. Asymmetric growth restriction, a form of growth retardation, has been found associated with increased rates of perinatal morbidity in infants with normal centile birthweights, ...
Jain S S Department of Neurology, Neurosciences Centre, All India Institute of Medical Sciences, New - - 1998
Twins have a high frequency of adverse perinatal events and have been reported to have an increased risk of seizures. Contrary to popular belief, a recent study reported that twins do not have an increased risk of seizures. We studied the relationship of twinning and epilepsy in India. The frequency ...
Zerres K - - 1998
Autosomal recessive polycystic kidney disease (ARPKD) is one of the most common hereditary renal cystic diseases and has a high infant mortality. Prenatal diagnosis using fetal sonography can be unreliable, especially in early pregnancy. The ARPKD locus has been mapped to proximal chromosome 6p allowing haplotype-based prenatal diagnosis in "at-risk" ...
Penninga L - - 1998
The effect of high altitude, long-term hypoxaemia on placentome morphology in the sheep was examined using singleton and twin pregnant ewes. Normoxic twins had lower fetal and placental weights (3.7+/-0.2 kg and 215+/-26 g, respectively) than normoxic singleton fetuses (4.3+/-0.2 kg and 336+/-17 g, respectively). Fetal and placental weights were ...
Hofmeyr G J - - 1998
The delivery of twins presents considerable challenges to the obstetric team, particularly in terms of decision-making, technical skills required and the need to respond quickly to changing circumstances. There is a serious lack of sound evidence upon which to base decisions concerning the method of delivery of twins. The trend ...
Ei-Jallad M F - - 1998
We set out to compare the outcome of the second born twin with that of the first twin to determine if any differences could be improved. We reviewed retrospectively twin deliveries from 15 April 1994 to 14 April 1996. We excluded from analysis twins weighing < 500 g, where either ...
Sullivan C A - - 1998
BACKGROUND: The incidence of second twin delivery by cesarean section and whether obstetric parameters are predictive should be studied. METHODS: In this retrospective study, all vertex-vertex twin deliveries during a 48-month period were reviewed. RESULTS: During the study period, 106 sets of vertex-vertex twins were identified. In 68 pairs, both ...
Chatterjee R - - 1998
Acquisition of human papillomavirus (HPV) infection in buccal mucosa by the infants at birth has been investigated. Presence of HPV DNA was evaluated in cervical smears of 30 pregnant women before delivery and in buccal swabs of the corresponding 31 infants (1 set of twins). HPV DNA was detected among ...
Yalçin H R - - 1998
OBJECTIVE: To evaluate the significance of different degrees of birth weight discordance in twin pregnancies. DESIGN: Population based study. METHODS: Three hundred and eighty-four twin gestations over 20 weeks of gestation during a two-year period ending in 31.12.1995 were retrospectively analyzed. Twins were stratified into six categories according to the ...
Lanni R - - 1998
OBJECTIVE: The aim of this study was to improve the definition of birth weight discordancy based on its distribution in the population after a correction in the unlike sex pairs. STUDY DESIGN: The analysis was conducted on 849 Italian twin pairs. Male's birth weight in the unlike sex pairs was ...
Hayssen V - - 1998
In conjunction with establishing colonies of deer mice in the UK, effects of transportation on reproduction in agouti (A) and nonagouti (a) deer mice were assessed. Adults were shipped via ground courier and air freight from Northampton, Massachusetts, USA to Sutton Bonington, Leicestershire, England in February and June. Deer mice ...
Finkel D - - 1998
Two pilot studies were conducted. First, the validity of a measure of infant-caregiver attachment for twins was assessed. Sixteen twin pairs from the Louisville Twin Study (LTS) were assessed in the Strange Situation (SS) at ages 19 or 25 months. Concordance between the LTS procedure and the SS procedure for ...
Hayashi M - - 1998
The subject was a 29-year-old pregnant woman whose fetuses were a conjoined twin. We diagnosed the fetuses as a conjoined twin by ultrasonography at the 12th week of gestation. The patient and her family wanted living infants and hoped that they were separated surgically. We consulted with the doctors of ...
Minakami H - - 1998
Data on the prognosis of twins from tertiary institutions may not represent the general incidence of adverse infant outcomes. We retrospectively investigated the infant outcome in 32 twin gestations referred to us at 29.9 +/- 3.7 weeks of gestation (range, 21 to 38 weeks) (late referral group) and 237 twin ...
Charlemaine C - - 1998
This study was performed to examine the main characteristics of the French Romulus twin population: zygosity, chorionicity, sex, term and birthweight. A sample of 104 pairs of twins was distinguished by zygosity, chorionicity and sex, and divided into concordant and discordant birthweight groups. Fifty-three % (n = 55) of the ...
Chaudhari S - - 1997
OBJECTIVE: To compare the growth and development of twins with normal control singletons and also with matched 'high risk' singletons, at one and four years of age. DESIGN: A four year prospective follow up study. SETTING: High risk clinic (HRC) of a referral hospital. SUBJECTS: Twin pairs enrolled in the ...
Lumey L H - - 1997
OBJECTIVES: We hypothesized that if prenatal caloric restriction due to nutritional deprivation had affected development of the organs responsible for producing and regulating female reproductive hormones, a woman's fertility would be impaired. METHODS: Women born in Amsterdam from August 1, 1944, through April 15, 1946, a period encompassing a severe ...
Boggess K A - - 1997
Twin gestations comprise approximately 1 percent of all pregnancies (1), and are associated with increased perinatal morbidity and mortality, mainly due to the increased incidence of prematurity and growth restriction (2). Hazards of twin delivery can be attributed to malpresentation, most often by the second twin. The vertex-nonvertex presentation occurs ...
Machin G A - - 1997
OBJECTIVE: To study the effects of umbilical cord insertion combinations on outcomes in monochorionic (MC) twin placentas. STUDY DESIGN: Sixty consecutive MC placentas were analyzed by cord insertion patterns with regard to growth discordance, placental parenchymal sharing, types and patterns of intertwin vascular anastomoses, perinatal mortality and frequency of fetofetal ...
Reitnauer P J - - 1997
Female monozygotic (MZ) twins were discordant for congenital structural anomalies: Twin A had a reduction defect of the right forearm; Twin B had a cleft palate. Both infants were small for gestational age. Specific prenatal exposures were identified at different times in the first trimester of pregnancy: crack cocaine, marijuana, ...
Talbot G T - - 1997
OBJECTIVE: Our goal was to determine the clinical significance of size discordancy in preterm twins. STUDY DESIGN: A retrospective study was performed to review outcomes of twins delivered between Jan. 1, 1988, and June 30, 1995. Maternal and neonatal records were assessed for demographic data, maternal medical history, and neonatal ...
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