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Results 151 - 200 of 1253
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Visser Annemarie M - - 2010
OBJECTIVE: The goal was to examine the associations between fetal growth characteristics in different trimesters of pregnancy and the occurrence of febrile seizures in early childhood. METHODS: This study was embedded in a population-based, prospective, cohort study from early fetal life onward. Fetal growth characteristics (femur length, abdominal circumference, estimated ...
Pardo Joseph - - 2010
The purpose of this study was to evaluate the association between crown-rump length (CRL) and the risk of a large-for-gestational-age (LGA) neonate. Data were retrospectively collected on consecutive women with a healthy singleton pregnancy followed to delivery at our center from 2003 to 2006 who underwent nuchal translucency, pregnancy-associated plasma ...
Jehan Imtiaz - - 2010
To compare the accuracy of the reported date of the last menstrual period (LMP) with that of symphysis-fundal height (SFH) in the estimation of gestational age (GA), using an ultrasound (US) scan as reference. Gestational age was concurrently assessed by the 3 methods in this prospective, population-based, pregnancy-outcome study conducted ...
Wills Andrew K AK MRC Epidemiology Resource Centre, University of Southampton, - - 2010
We examined the differential associations of each parent's height and BMI with fetal growth, and examined the pattern of the associations through gestation. Data are from 557 term pregnancies in the Pune Maternal Nutrition Study. Size and conditional growth outcomes from 17 to 29 weeks to birth were derived from ...
Elchalal Uriel - - 2010
Ultrasonography has been applied previously to the assessment of the fetal anal canal. We aimed to examine the potential of 3-dimensional ultrasonography (3DUS) in the evaluation of the fetal anal canal and to obtain normal fetal anal canal measurements. Patients were recruited from an unselected population of gravidas with known ...
Kivilevitch Z - - 2010
The aims of this study were to establish normal ranges of values for interlens distance (ILD) during gestation, and to assess the correlation between ILD and growth of the orbits and other fetal biometric parameters. A cross-sectional study of morphologically normal, singleton fetuses was carried out in low-risk pregnant women. ...
Ozer Alev - - 2010
The present study aims to assign the reference values for nasal bone length (NBL) screened at 11-14 weeks of pregnancy in the Turkish population, determining whether the NBLs specified for Caucasians can be validated for Turkish people. The values of NBL were investigated in a total of 415 singleton fetuses ...
Blumenfeld Yair J - - 2010
OBJECTIVE: Approximately half of small for gestational age (SGA) cases are due to maternal or fetal pathology, and may result in significant neonatal morbidity and mortality. The estimated fetal weight (EFW) measurement is the cornerstone of ultrasonographic findings when diagnosing and managing SGA pregnancies. Our objective was to determine the ...
Mirlesse V - - 2010
To establish the ultrasonographic fetal growth charts of the pons and the vermis/pons ratio on a multioperator basis in low-risk pregnancies and provide a detailed description of the anatomical and ultrasonographic criteria of normal brainstem growth. A prospective, multicenter, multioperator, ultrasonographic study was conducted on 913 fetuses aged 21-36 weeks. ...
Rousian M - - 2010
The recent introduction of virtual reality (VR) enables us to use all three dimensions in a three-dimensional (3D) image. The aim of this prospective study was to evaluate an innovative VR technique for automated 3D volume measurements of the human embryo and yolk sac in first trimester pregnancies. We analysed ...
Chiu W-H - - 2011
The purpose of this study is to determine the association between fetal nasal bone length (NBL) and gestational age (GA), biparietal diameter (BPD) and head circumference (HC) in women undergoing prenatal assessments and Down syndrome screening. Cross-sectional data were obtained from 3,003 women with singleton pregnancies who underwent a prenatal ...
Tantanasis T - - 2010
We used ultrasound to measure fetal subcutaneous fat in pregnancies with normal and abnormal glucose tolerance tests (GTT). Thirty-five women with singleton pregnancies between 24 and 26 weeks' gestation participated in our study. We measured fetal subcutaneous fat tissue thickness in 20 women with abnormal GTT (Group A, study group) ...
Wang Eileen - - 2010
OBJECTIVE: To determine if gestational age (GA) at the time of ultrasound impacts the positive predictive value of shortened femur and humerus lengths (FL, HL) for trisomy 21 (T21). METHODS: Sonograms from 14 to 21 and 6/7 weeks' gestation were collected over a 28 month period. Multiple gestations or fetuses ...
Cheng Po-Jen - - 2010
This study was designed to establish a fetal spine nomogram for age 11 through 14 weeks of gestation and to document relations among fetal spine length, distance and angle. These parameters were prospectively measured during the first trimester of singleton pregnancies, along with nuchal translucency, over a 3-year period. A ...
Nicholas Sara - - 2010
Estimation of fetal weight is particularly challenging in fetuses with abdominal wall defects (AWDs). We sought to compare the accuracy and screening efficiency for intrauterine growth restriction (IUGR) of 2 recent sonographic formulas to those of the Hadlock formula (Am J Obstet Gynecol 1985; 151:333-337) in fetuses with AWDs. This ...
Lemos Andrea - - 2010
Muscle respiratory strength studies during pregnancy are very scarce. The aim of this paper is to describe maximum inspiratory (PImax) and expiratory (PEmax) mean pressure values in women during their first pregnancy and to determine the relationship between the anthropometric, morphologic and physiologic variables of these pressures. One hundred and ...
Sarris I - - 2010
Our objective was to determine what effect maternal BMI has on fetal growth rate in the early first trimester. This was a prospective observational study of singleton pregnancies with certain dates, initially presenting for a transvaginal scan (TVS) before 12 weeks of gestation. Maternal characteristics (BMI, ethnicity, maternal age, obstetric ...
Pexsters A - - 2010
The Robinson and Hadlock crown-rump length (CRL) curves are commonly used to estimate gestational age (GA) based on the CRL of an embryo or fetus. However, the Robinson curve was derived from a small population using transabdominal sonography and the Hadlock curve was generated using early transvaginal ultrasound equipment. The ...
Salvig J D - - 2010
OBJECTIVE: To evaluate the association between maternal pregnancy-associated plasma protein-A (PAPP-A) and fetal growth from the first to the second trimester. METHODS: A prospective cohort study including 8347 pregnant women attending prenatal care at Aarhus University Hospital were conducted. PAPP-A was measured during 8 to 14 gestational weeks. Fetal growth ...
Unsal Naim - - 2011
The present study aims to specify the significance of fetal maxillary length by establishing a nomogram for a Turkish population and by investigating its relationship with the ultrasonographic and biochemical parameters which are commonly used to screen trisomy 21 in the first trimester of pregnancy. The present observational study investigates ...
Araujo Júnior Edward - - 2011
To access the yolk sac (YS) volume between 7 and 10 + 6 gestational weeks of pregnancy by threedimensional (3D) ultrasonography using extended imaging virtual organ computer-aided analysis (XI VOCAL) method. For this cross-sectional study, 64 pregnant patients between 7 and 10 + 6 gestational weeks were enrolled and normal pregnancies were ...
Ozat Mustafa - - 2011
The present study aims to establish a more sensitive nomogram of fetal sacral length measurements, as well as to specify the accuracy of fetal sacral length for the ultrasonographic assessment of gestational age. The present study investigated a total of 2,184 pregnant women who were referred for routine pregnancy follow-up. ...
Turner Stephen W - - 2010
BACKGROUND The origins of respiratory disease might be traced back to exposures during fetal life. The aim of the present study was to explore whether there was a relationship between fetal size and respiratory outcomes at 5 years of age in the context of fetal exposure to vitamin E. METHODS ...
Moon M H - - 2010
OBJECTIVE: To investigate the in-utero development of the fetal anal sphincter using transabdominal ultrasound. METHODS: This was a cross-sectional study in which the diameter of the fetal anal sphincter was measured sonographically once in 631 well-dated, non-anomalous fetuses scanned between 19 and 38 weeks of gestation. Visualization rates were determined. ...
Bjørnerem Ashild - - 2010
Bone size is a determinant of bone strength and tracks in its percentile of origin during childhood and adolescence. We hypothesized that the ranking of an individual's femur length (FL) is established in early gestation and tracks thereafter. Fetal FL was measured serially using 2D ultrasound in 625 Norwegian fetuses. ...
Odeh M - - 2010
OBJECTIVES: Absence or congenital anomalies of the parotid glands are associated with significant long-term morbidity. To date there are no published data on ultrasonographic detection of these defects in early pregnancy. We set out to demonstrate and measure the fetal parotid and submandibular salivary glands at 14-16 weeks using transvaginal ...
Proctor L K - - 2010
OBJECTIVE: To review the performance of a variety of biometry formulae for estimated fetal weight (EFW) in the management of severely growth restricted fetuses with abnormal umbilical artery Doppler at a single perinatal institution. METHODS: Forty-three pregnancies were retrospectively reviewed. Inclusion criteria were: chromosomally/ structurally normal fetus; complete ultrasound biometry ...
Chalouhi G E - - 2011
Objective. We evaluated the biometric values of first trimester measurements for prediction of delivery date by computing new dating formulas and evaluating them within the same settings in a large population. Methods. We studied unselected pregnancies undergoing first trimester ultrasound examination by a single experimented sonographer. We used 331 pregnancies conceived by ...
Verwoerd-Dikkeboom C M - - 2010
BACKGROUND: Innovative imaging techniques, using up-to-date ultrasonic equipment, necessitate specific biometry. The aim of our study was to test the possibility of detailed human embryonic biometry using a virtual reality (VR) technique. METHODS: In a longitudinal study, three-dimensional (3D) measurements were performed from 6 to 14 weeks gestational age in ...
Dos Santos Rizzi Maria Christina - - 2010
We sought to establish normative data for fetal liver volume (FLV) between 27 and 38 weeks' gestation using three-dimensional ultrasonography. The study design was a longitudinal prospective study involving 53 participants. A total of 250 FLV measurements were obtained, using the multiplanar method with 3.0-mm intervals. Polynomial regressions with adjustments ...
Nardozza Luciano Marcondes Machado - - 2010
OBJECTIVE: To compare different three-dimensional (3D) methods in the assessment of gestational sac volume (GSV). DESIGN: Cross-sectional study involving 74 normal pregnancies between 7 and 11 weeks. SETTING: Department of Obstetrics, S?o Paulo Federal University (UNIFESP). METHODS: GSV was measured through 3D ultrasound using the planimetric, virtual organ computer-aided analysis ...
Srisupundit Kasemsri - - 2011
To create a nomogram for fetal splenic circumference of normal fetuses. A prospective, cross-sectional study was undertaken on normal pregnancies with certain date from 14 to 40 weeks of gestation. All fetuses were measured for fetal splenic circumference by tracing technique on transverse view of the fetal abdomen, using high-resolution real-time ...
Hackett Lauren K - - 2010
OBJECTIVE: Determination of fetal sex is an important part of detailed second-trimester ultrasonography. This task can be hindered by the fetal position, a low amniotic fluid volume, and advanced gestational age. Identification of fetal sex is further important in multiple gestations and prior histories of indeterminate-sex pregnancies. The goal of ...
Goldstein I - - 2010
OBJECTIVE: To determine sonographic dimensions of the fetal facial profile in normal pregnancy. METHODS: This was a prospective, cross-sectional study of 397 normal healthy fetuses at 14-33 weeks of gestation. After exclusion of the small numbers of patients at the upper GAs, 379 patients between 14.0 and 26.9 weeks of ...
Kinare Arun S AS DM, Medical Research Council Epidemiology Resource Center, University of Southampton, Southampton General Hospital, Southampton, SO16 6YD, - - 2010
The purpose of this study was to describe fetal size on sonography in a rural Indian population and compare it with those in European and urban Indian populations. Methods. Participants were from the Pune Maternal Nutrition Study of India. Fetal growth curves were constructed from serial ultrasound scans at approximately ...
Aguilera Inmaculada - - 2010
Few studies have used longitudinal ultrasound measurements to assess the effect of traffic-related air pollution on fetal growth. We examined the relationship between exposure to nitrogen dioxide (NO2) and aromatic hydrocarbons [benzene, toluene, ethylbenzene, m/p-xylene, and o-xylene (BTEX)] on fetal growth assessed by 1,692 ultrasound measurements among 562 pregnant women ...
Araujo Júnior Edward - - 2010
We sought to establish normative data for three-dimensional ultrasound (3DUS) first-trimester embryonic volume using the extended imaging virtual organ computer-aided analysis (XI VOCAL) technique. This cross-sectional study involved 64 normal pregnancies at 7 to 10 + 6 weeks' gestation. Embryonic volume was obtained on 3DUS using the XI VOCAL technique ...
Drews Barbara - - 2011
The bonobo, Pan paniscus, is one of the most endangered primate species. In the context of the Bonobo Species Survival Plan(®) , the Milwaukee County Zoo established a successful breeding group. Although the bonobo serves as a model species for human evolution, no prenatal growth curves are available. To develop ...
Sameni Reza - - 2010
The field of electrocardiography has been in existence for over a century, yet despite significant advances in adult clinical electrocardiography, signal processing techniques and fast digital processors, the analysis of fetal ECGs is still in its infancy. This is, partly due to a lack of availability of gold standard databases, ...
Papaioannou George I - - 2010
Objectives: To construct normal ranges for embryonic crown-rump length (CRL), heart rate (HR), gestational sac diameter (GSD) and yolk sac diameter (YSD) at 6-10 weeks of gestation. Methods: We examined 4,698 singleton pregnancies with ultrasound measurements of CRL, HR, GSD and YSD at 6-10 weeks and CRL at 11-13 weeks ...
Salomon Laurent J - - 2010
OBJECTIVE: We aimed to develop a population-based nomogram based on 1st trimester ultrasound examination as an independent predictor of the remaining days of pregnancy. METHODS: Fetal measurements were collected in singleton pregnancies undergoing first trimester examination. We prospectively collected actual date of delivery. Predictions of the median interval and key ...
Degnan Andrew J - - 2010
We report a case of ileal atresia with meconium peritonitis evaluated by fetal MRI. Prenatal ultrasounds in the third trimester initially demonstrated a cystic abdominal mass that resolved with development of dilated bowel loops. Fetal MRI at 32 weeks gestation identified a perihepatic collection with several dilated small bowel loops ...
Srisantiroj Nattinee - - 2009
To determine the correlation between actual birthweight (BW) and fetal weight calculated from fractional thigh volume (ThiV). The authors have conducted a prospective, cross-sectional study of normal Thai fetal thigh volume. There were 176 eligible pregnant women who met the criteria of singleton with no fetal anomaly were recruited into ...
Udomwan Piyarat - - 2009
OBJECTIVE: The purpose of this study was to establish reference ranges for the transverse aortic arch diameter (TAD) and distal aortic isthmus diameter (DAID) in normal singleton pregnancies (14-40 weeks) based on the 3-vessel/trachea (3VT) view of cardio-spatiotemporal image correlation (STIC) volume data sets. METHODS: A prospective descriptive study was ...
Abbassi-Ghanavati Mina - - 2009
OBJECTIVE: To establish normal reference ranges during pregnancy for common laboratory analytes. DATA SOURCES: We conducted a comprehensive electronic database review using PUBMED and MEDLINE databases. We also reviewed textbooks of maternal laboratory studies during uncomplicated pregnancy. METHODS OF STUDY SELECTION: We searched the databases for studies investigating various laboratory ...
Tepper Ronnie - - 2009
OBJECTIVE: The purpose of this study was to establish a new reference angle chart for fastigial biometric measurements throughout gestation in normal singleton pregnancies. METHODS: A prospective cohort study was designed. A total of 505 pregnant women between 20 and 40 weeks' gestation were included in the study. Excluded were ...
Bagratee J S - - 2009
OBJECTIVES: To create reference intervals of gestational sac volume (GSV), yolk sac volume (YSV), embryo volume (EV), crown-rump length (CRL) and gestational sac diameter (GSD) in the first trimester of pregnancy using three-dimensional ultrasound. METHODS: Women in the first trimester of pregnancy were invited to participate in the study. Inclusion ...
Nicolson M - - 2009
James Willocks (1928-2004), a Glasgow obstetrician, was an important pioneer of obstetric ultrasound and the originator of the first clinically useful technique of fetal cephalometry. He collaborated with Tom Duggan, an engineer, who designed and built an electronic cephalometer to be used in conjunction with a Kelvin Hughes industrial flaw ...
Borenstein M - - 2009
OBJECTIVES: To assess the novel three-dimensional (3D) tool, Sonography-based Automated Volume Count (SonoAVC) in the calculation of gestational sac volume at 11 + 0 to 13 + 6 weeks of gestation, to correlate the measurements with those obtained using Virtual Organ Computed-aided AnaLysis (VOCAL) and to study the reproducibility of ...
Albay Soner - - 2010
PURPOSE: In this study, our objective was to investigate the development of the gallbladder, its morphological structure and relationship with the adjacent organs during the fetal period. MATERIALS AND METHODS: A total of 118 human fetuses (60 males, 58 females) between 9 and 40 weeks of gestation without any external ...
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