Search Results
Results 301 - 350 of 1253
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Ali A - - 2008
The aim of the current study was to establish ultrasonic biometric threshold of different fetal parts in buffaloes and to evaluate the feasibility and accuracy of ultrasonic fetal sex determination. Serial ultrasonographic examinations were carried out on twelve pregnant buffalo-cows, during which fetal parts were measured, and fetal sex and ...
Dhammi Ish K - - 2007
Congenital diastasis of the inferior tibiofibular joint is a rare condition of unknown etiology, first described in 1972. Although its clinical presentation at birth is a talipes equinovarus deformity of the foot, it may be associated with limb length discrepancy and other skeletal and visceral abnormalities. We present one such ...
Mittal Pooja - - 2007
OBJECTIVE: Evaluation of fetal cerebral cortex sulcation is important for the pre-natal diagnosis of neuronal migration disorders. Although abnormal sylvian fissure morphologic features are frequently observed in these conditions, the diagnosis of an abnormal sylvian fissure relies on subjective interpretation of ultrasonographic images. This study was performed to develop an ...
Jaddoe Vincent W V - - 2007
The authors examined the associations of maternal smoking in pregnancy with various fetal growth characteristics among 7,098 pregnant women participating in the Generation R Study (2002-2006), a population-based prospective cohort study of pregnant women and their children in Rotterdam, the Netherlands. Maternal smoking was assessed by questionnaires administered in early, ...
Hildebrandt Thomas - - 2007
Elephants have the longest pregnancy of all mammals, with an average gestation of around 660 days, so their embryonic and foetal development have always been of special interest. Hitherto, it has only been possible to estimate foetal ages from theoretical calculations based on foetal mass. The recent development of sophisticated ...
Togni F A - - 2007
OBJECTIVE: To determine the normal cross-sectional areas of the umbilical vein, umbilical artery, and Wharton jelly in healthy pregnancies, and correlate the obtained values with fetal anthropometric parameters. METHODS: A cross-sectional study was performed with 312 women between the 24th and 39th weeks of a normal pregnancy. The cross-sectional areas ...
Maymon Ron - - 2007
Ultrasonography (US) is an accurate method with reproducible results for calculating splenic dimensions. Standards of normal spleen sizes have been developed for the general adult population, for children, and even for tall healthy athletes, thereby enabling US diagnosis of splenomegaly. Extrapolation of data from the normal population to pregnant women ...
Chen Min - - 2007
OBJECTIVES: To establish reference ranges for fetal limb biometry obtained by transabdominal ultrasound examination at 12-14 weeks of gestation in Chinese women. METHODS: A total of 1489 normal singleton fetuses between 12(+0) and 14(+6) weeks of gestation were examined transabdominally by two experienced observers. The gestation was ascertained by measurement ...
Schluter P J - - 2007
The purpose of this paper was to construct population-specific charts of gestational age (GA) from antenatal ultrasound biometry assessment using a large sample of normal Australian pregnancies when examination was carried out to a standard protocol by experienced operators. All consenting eligible women attending a large Brisbane clinic between January ...
Wendland Eliana M D R - - 2007
The aim of this study is to evaluate the diagnostic properties of waist circumference in the prediction of obesity-related gestational outcomes. Pregnant women 20 years or older were consecutively enrolled in six Brazilian State capitals from 1991 to 1995. Weight, height, and waist circumference were measured and an oral glucose ...
Togni Fernando Alves - - 2007
OBJECTIVE: To establish reference values for the sonographic cross-sectional area of the umbilical cord during gestation and to correlate them with fetal anthropometric parameters. METHODS: A cross-sectional study was performed involving 312 normal pregnant women at gestational ages 24-39 weeks. Measurement of the cross-sectional area of umbilical cord was performed ...
Koktener Asli - - 2007
OBJECTIVE: The purpose of this study was to evaluate cisterna magna size of the fetuses between 16 and 24 weeks of gestation, and to establish a normogram for cisterna magna measurements during gestation. METHODS: A prospective study of normal singleton pregnancies was established. Measurement of the fetal cisterna magna was ...
De Reu Paul - - 2007
OBJECTIVES: To determine fetal growth in low risk pregnancies at the beginning of the third trimester and to assess the relative importance of fetal gender and maternal parity. SETTING: Dutch primary care midwifery practice. STUDY DESIGN: Retrospective cohort study on 3641 singleton pregnancies seen at a primary care midwifery center ...
Sherer D M - - 2007
OBJECTIVE: The widely applied transcerebellar diameter (TCD) obtained at axial cranial imaging, measures the distance between the lateral aspects of the cerebellum and incorporates the width of the cerebellar vermis. Our objective was to create reference ranges of axial fetal cerebellar hemisphere circumference (CHC) and area (CHA), independent of the ...
Bergman Eva - - 2007
BACKGROUND: Antenatal identification of infants small for gestational age (SGA) improves their perinatal outcome. Repeated measurement of symphysis-fundus (SF) heights performed by midwives is the most widespread screening method for detection of SGA. However, the inefficiency of this method necessitates improved practices. Earlier start and more frequent SF measurements, which ...
Szpinda Michał - - 2007
During prenatal life, the ductus arteriosus connects the left pulmonary artery and the descending aorta. Morphometric features (length, external diameter, volume) of the ductus arteriosus in 131 human fetuses (65 males, 66 females) were studied by means of anatomical, digital and statistical methods. Regression analysis was used to investigate the ...
Mirghani Hisham - - 2007
PURPOSE: To evaluate sonographic measurements of the fetal liver, fetal abdominal fat layer, interventricular septum, and Wharton's jelly area between 21 and 24 weeks' gestation in women with gestational diabetes mellitus (GDM). METHODS: A total of 123 consecutive healthy pregnant women underwent sonographic examination at 21-24 weeks' gestational age. The ...
Kalelio─člu I H - - 2007
PURPOSE OF INVESTIGATION: To compare the predictive values of different humeral shortness assessment methods in Down syndrome screening. METHODS: 674 high-risk singleton pregnancies with a valid last menstrual period (LMP) date were studied. Nomogram and formulas were derived from a subset of the studied group. Sensitivities of fifth percentile and ...
Asher G W GW AgResearch, Ltd, Invermay Agricultural Centre, Private Bag 50034, Mosgiel, New Zealand. - - 2007
The red deer (Cervus elaphus) of European origin (e.g. subspecies scoticus, hispanicus, hippelaphus) is a medium sized (100-150kg mature hind weight) ruminant that exhibits highly seasonally patterns of autumn conceptions and summer births. Historic data indicate average (+/- s.d.) gestation length of 233-234 (+/- 2-4) days. Recently, however, there has ...
Maymon Ron - - 2006
This study aims to establish normal range of sonographically measured maternal spleen size throughout pregnancy. Currently, 288 healthy pregnant women between 6 and 42 weeks' gestation underwent ultrasonographic measurements of spleen length and width. The relationships between ultrasound measurements with prepregnancy body mass index (BMI) and gestational age were assessed ...
Roelfsema N M - - 2006
OBJECTIVE: To explore the various ways of obtaining fetal maxillary and mandibular size with three-dimensional (3D) ultrasound, with a view to developing a tool for identifying minor anomalies in the lower facial region. METHODS: Serial 3D sonographic measurements of the fetal jaws were made in 126 normal singleton pregnancies at ...
Leite Juliana - - 2006
OBJECTIVE: The aim of this study was to evaluate the outcome of pregnancies complicated by very large hematomas in the first trimester. METHODS: Between January 2001 and January 2006, 8085 patients between 5 and 14 weeks' gestation underwent routine first-trimester ultrasonographic examinations at our practice. Of these, 30 patients had ...
Beccaglia M - - 2006
OBJECTIVES: To compare the accuracy of two ultrasonographic measurements, inner chorionic cavity diameter and biparietal diameter, for the prediction of parturition date in small and medium size bitches. The effects of litter size and fetal sex ratio on the accuracy of the prediction were also investigated. METHODS: Ultrasonographic examinations were ...
Loetworawanit Ratchanikon - - 2006
OBJECTIVE: To evaluate the diagnostic value of sonographic measurement of fetal abdominal circumference (AC) for the prediction of fetal macrosomia. MATERIAL AND METHOD: A prospective clinical trial was conducted at Department of Obstetrics and Gynecology, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand. The study consisted of 361 singleton pregnant women who ...
Cho Fu-Nan - - 2006
BACKGROUND: Accurate differentiation between normal pregnancy and pregnancy loss in early gestation remains a clinical challenge. AIMS: To determine whether ultrasound findings of yolk sac size and morphology are valuable in relation to pregnancy loss at six to ten weeks gestation. METHODS: Transvaginal ultrasonography was performed in 111 normal singleton ...
Nahum Gerard G - - 2007
OBJECTIVE: To improve the prediction of birth weight and fetal macrosomia by combining sonographically derived fetal biometric data with routinely recorded pregnancy-specific information. STUDY DESIGN: Retrospective data were obtained for 218 normal gravidas who had obstetrical ultrasonography performed within 11 weeks of delivery. Multiple regression was employed to derive a ...
Lee W - - 2006
OBJECTIVE: Our main objective was to determine the value of three-dimensional ultrasonography (3DUS) and Virtual Organ Computer-aided AnaLysis (VOCAL) in the evaluation of gestational sac volume and morphology during early pregnancy. METHODS: Twenty-eight normal early pregnancies were scanned approximately every 2 weeks using transabdominal (TAS) and transvaginal (TVS) sonography. The ...
Karki Dan Bahadur - - 2006
This is the prospective study carried out to correlate gestational age by sonographic measurements of fetal parameters by normograms of Frank P Hadlock with the gestational age by Last Menstrual Period (LMP) (considered our standard) in various trimesters of normal pregnant women of eastern Nepal. Seventy normal pregnant women with ...
Olesen A W - - 2006
OBJECTIVE: To compare the dates of delivery predicted by last menstrual period (LMP), crown-rump length (CRL) and biparietal diameter (BPD) with the actual date of delivery in a population of pregnant women divided into those with certain and those with uncertain LMP. METHODS: Healthy women were enrolled at the first ...
DiPietro J A - - 2006
OBJECTIVE: To determine whether an isolated finding of a choroid plexus cyst (CPC) during routine ultrasound is associated with altered fetal growth or development. STUDY DESIGN: Prospective, case-control study comparing 35 CPC cases to 67 controls. Neurobehavioral development assessment included 50 min long serial recordings of heart rate, motor activity ...
Vimercati Antonella - - 2006
OBJECTIVES: Freeman-Sheldon syndrome (FSS) is a rare genetic condition with facial and joint abnormalities. Here we report the first case of prenatal diagnosis in a fetus with negative familial history for this syndrome. A chart of the fetal mouth length was generated and its usefulness verified. METHODS: A cross-sectional study ...
Chen Min - - 2006
OBJECTIVES: Absence of the nasal bone in fetuses with trisomy 21 is a potential ultrasound marker for Down syndrome from the first trimester onwards. Racial differences in fetal nasal bone length have been reported. There was no reference range for the first-trimester fetal nasal bone length (NBL) in the Chinese ...
Kanagawa Takeshi - - 2006
AIM: We carried out a preliminary study to compare the nasal bone length (NBL) and biparietal diameter/NBL (BPD/NBL) ratio between the Japanese and white populations. METHODS: Three hundred and fifty nine (359) singleton fetuses of healthy Japanese couples were examined from June 2004 to October 2005. NBL was measured by ...
Butler Erin E - - 2006
OBJECTIVE: The purpose of this study was to determine whether there are changes in postural equilibrium during pregnancy and to examine whether the incidence of falls increases during pregnancy. STUDY DESIGN: Static postural balance measures were collected from 12 pregnant women at 11 to 14, 19 to 22, and 36 ...
Awadh A M A - - 2006
OBJECTIVE: To assess the variability of fetal heart and thoracic area and circumference measurements using the ellipse and diameter methods at different gestational ages. DESIGN: This was a prospective cross-sectional study of 200 singleton pregnancies, with no apparent fetal abnormalities. The gestational age ranged between 19 and 42 weeks. At ...
Patchakapat Lawan - - 2006
OBJECTIVE: To establish the normal value of fetal InterVentricular Septal Thickness (IVST) from 32 to 35 weeks' gestation in Thai fetuses. MATERIAL AND METHOD: Thai pregnant women with normal fetuses were recruited for prenatal 2-dimensional M-mode echocardiographic measurements of fetal IVST at 32 to 35 weeks' gestation. All had a ...
Pickhardt Perry J - - 2006
OBJECTIVE: Proposed surveillance of unresected medium-sized (6.0-9.9 mm) polyps will require reliable detection of small incremental changes. The purpose of this study was to assess the reproducibility of linear versus volume measurements of polyp size at CT colonography (CTC) and to correlate results with a hemispheric model. MATERIALS AND METHODS: ...
Elliott Dawn - - 2006
OBJECTIVE: To determine which fetal growth curve provided the best estimates of fetal weight for a cohort of ethnically diverse patients at sea level. METHODS: The study consisted of a population of 1,729 fetuses examined at sea level between January 1, 1997, and June 30, 2000, at 18 weeks, 28 ...
Moon Min Hoan - - 2006
OBJECTIVES: The aim of this study was to provide reference values for nasal bone length (NBL) scanned at 11-14 weeks' gestation in the Korean population and compare these values with those of the Caucasian and African-American populations. METHODS: From April 2004 to July 2004, fetal NBLs were measured in well-dated, ...
Zambelli D - - 2006
In the present paper, we describe the clinical utility of ultrasonography for diagnosing and evaluating pregnancy in domestic cats. Ultrasonography is a non-invasive technique that permits an accurate diagnosis of pregnancy and allows serial evaluation of the developing embryo/fetus and the extrafetal structures. The first ultrasonographic indication of pregnancy is ...
Shin Joong Sik - - 2006
OBJECTIVE: To evaluate the relation between fetal nasal bone length (NBL) and biparietal diameter (BPD) at 15-19.9 (20) weeks of gestation by ultrasonography in the Korean population. METHODS: The study population included 1268 Korean women (aged between 19 and 45 years) with a singleton pregnancy who registered at the Maternal ...
Karki D B - - 2006
Estimation of the gestational age by sonographic measurements of fetal parameters is usually done by measuring mean sac diameter (MSD), Crown-rump length (CRL), biparietal diameter (BPD), head circumference (HC), femoral length (FL) and abdominal circumference (AC) depending on the trimester of pregnancy. This is a prospective study to see the ...
Malik Ghazala G Department of Radiology, Combined Militry Hospital, - - 2006
To assess the usefulness of transverse cerebellar diameter (TCD) as an independent parameter for gestational age assessment in third trimester of pregnancy. An observational study. Diagnostic Radiology Department, PNS Shifa, Karachi between April 2002 to July 2004. This study was performed on patients between 26-38 weeks of gestation with normal ...
Rasmussen Svein - - 2006
OBJECTIVE: To determine whether proportionate or disproportionate foetal smallness at 17 to 19 weeks of gestation in low-risk pregnancies was associated with size, body constitution, and adverse outcome at birth. METHODS: We included ultrasound measurements at 17-19 weeks of gestation in 7285 uncomplicated pregnancies with reliable information on last menstrual ...
Sherer D M - - 2006
OBJECTIVE: To create a nomogram of fetal clavicle length (CL) throughout gestation. METHODS: Cross-sectional study of patients between 14 and 42 weeks' gestation. Inclusion criteria consisted of well-established dates (consistent with early ultrasound), singleton, non-anomalous fetuses, and intact amniotic membranes. Sonographic measurements included biparietal diameter (BPD), head circumference (HC), abdominal ...
Piqué-Vidal Carlos C Centro Medico Teknon, Barcelona, Spain. - - 2006
The objective of this study was to compare angular measurements in the evaluation of hallux valgus deformities using a goniometer and a computerized program to assess degree of concordance between the two methods and determine the reliability of manual measurements. Angles measured included the hallux valgus angle (HVA), the intermetatarsal ...
Zalel Yaron - - 2006
OBJECTIVE: To construct a growth chart of the mandible throughout gestation. METHODS: A prospective cross-sectional study of normal singleton pregnancies was conducted. Measurements of the fetal mandibular transverse and antero-posterior diameters were performed with high-resolution transvaginal and transabdominal ultrasonography in 490 pregnant women with singleton low-risk pregnancies between 11 and ...
Smrcek Jan Michael - - 2006
OBJECTIVE: The purpose of this prospective cross-sectional study was to compile normative data about biometry of the fetal heart and great vessels between 10 and 15 weeks in 123 normal singleton pregnancies. Additionally, we investigated the different methods and the optimal examination time of early fetal echocardiography. METHODS: The interrogated ...
Bourry Olivier - - 2006
BACKGROUND: Nonhuman primates are raised in large numbers in research centers and zoos. Reproductive monitoring is required to improve breeding performances. Ultrasonography is a safe method to determine gestational age and to estimate the date of parturition. However only few data are available in nonhuman primates. METHODS: Fetal biometric data ...
Solerte Laura - - 2006
A rare dysmorphologic fetal anomaly at the 17th week of gestation was suspected during a second trimester routine scan for fetal and maternal screening data. First findings were significant for a severe abdominal wall defect, limb and foot compromised positions. Fetal biometry was appropriate in biparietal diameter and head circumference ...
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