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Keywords Normal reference value of amni...

Normal reference value of amniotic fluid index

https://read.qxmd.com/read/17628483/measurement-of-fetal-urine-production-by-three-dimensional-ultrasonography-in-normal-pregnancy
#21
JOURNAL ARTICLE
S M Lee, S K Park, S S Shim, J K Jun, J S Park, H C Syn
OBJECTIVES: Measurement of fetal urine production may provide a means of evaluating amniotic fluid volume, which is difficult to measure directly, and predicting fetal hypoxia. Although there have been some reports on fetal urine production, most of these have used two-dimensional (2D) ultrasonography to measure bladder volume. Three-dimensional (3D) ultrasonography is, however, known to be superior to 2D ultrasonography in some organ volume measurements. Thus, we undertook this study to measure bladder volumes using 3D ultrasonography and to establish a nomogram of fetal urine production rate (UPR) according to gestational age (GA)...
September 2007: Ultrasound in Obstetrics & Gynecology
https://read.qxmd.com/read/16547387/-correlation-between-amniotic-fluid-index-afi-and-glucose-concentration-in-amniotic-fluid-glycaemia-glycosylated-haemoglobin-concentration-during-normal-pregnancy-and-pregnancy-complicated-by-insulin-dependent-diabetes-mellitus
#22
JOURNAL ARTICLE
Jacek Zamłyński, Piotr Bodzek, Anita Olejek, Grzegorz Mańka, Krzysztof Grettka, Barbara Kobylec-Zamłyńska
INTRODUCTION: In spite of confirming an association between type I diabetes of pregnancy with hydramnios, in the most recent studies there is still no clarity about which of the maternal or foetal metabolic parameters linked with amniotic fluid volume play the most important role. AIM: To determine which of the maternal or foetal metabolic parameters has the closest association with amniotic fluid volume. MATERIAL AND METHODS: The research was performed in two groups: normal healthy pregnant women (n=43) and group of pregnant women with insulin-dependent diabetes mellitus (n=17) and their newborns...
July 2005: Medycyna Wieku Rozwojowego
https://read.qxmd.com/read/16056194/ultrasonographic-determination-of-amniotic-fluid-volume-in-normal-pregnancy
#23
JOURNAL ARTICLE
B Jaba, A S Mohiuddin, S N Dey, N A Khan, S I Talukder
Ultrasonographic assessment of amniotic fluid has important implications because documentation of abnormalities of amniotic fluid volume may provide valuable information to enhance fetal health assessment. But in our country no study was conducted to establish normal values of amniotic fluid volume. So, this study was designed to find out normal values of amniotic fluid volume at various stages of gestation. The study was conducted in the department of Radiology and Imaging, BIRDEM in collaboration with the department of Obstetrics and Gynaecology, BIRDEM from 1(st) July, 2001 to 30(th) June, 2002...
July 2005: Mymensingh Medical Journal: MMJ
https://read.qxmd.com/read/15756664/correlation-between-fetal-gastric-size-and-amniotic-fluid-volume
#24
COMPARATIVE STUDY
Avi Ben-Haroush, Yariv Yogev, Yoav Peled, Jacob Bar, Moshe Hod, Josef Pardo
PURPOSE: Since abnormal conditions of the fetal digestive tract may alter both amniotic fluid volume and fetal gastric volume, we sought to determine whether amniotic fluid volume is correlated with fetal gastric volume in normal pregnancy. METHODS: A total of 280 fetal gastric size measurements were made prospectively from routine sonographic examinations of women with normal singleton pregnancies between 16 and 42 weeks of gestation. The fetal stomach was defined as the largest area including the pyloric site on transverse or oblique real-time sonographic scans...
March 2005: Journal of Clinical Ultrasound: JCU
https://read.qxmd.com/read/12841695/amniotic-fluid-index-in-normal-pregnancy-an-assessment-of-gestation-specific-reference-values-among-indian-women
#25
JOURNAL ARTICLE
Suvarna S Khadilkar, Sabita S Desai, Sadhana M Tayade, Chittaranjan N Purandare
AIM: To obtain a gestational reference range for the amniotic fluid index (AFI) among Indian women. METHODS: An analysis of AFI estimations was undertaken in 517 Indian women with normal pregnancy between 16 and 42 weeks of gestation. It was a prospective, cross-sectional study conducted in a university teaching hospital. Women with fetal anomalies, pregnancy-induced hypertension, diabetes mellitus, and other maternal complications were excluded from the study. The median, the 5th and the 95th percentile values were calculated for each gestational week and these values were compared with other studies...
June 2003: Journal of Obstetrics and Gynaecology Research
https://read.qxmd.com/read/12710857/the-effect-of-glucocorticosteroid-administration-on-fetal-movements-and-biophysical-profile-scores-in-normal-pregnancies
#26
JOURNAL ARTICLE
J R Jackson, S Kleeman, M Doerzbacher, D S Lambers
OBJECTIVE: To evaluate and quantify the effect of glucocorticosteroid administration on fetal movements and biophysical profile scores. METHODS: Eighteen women at 32-34 weeks' gestation were enrolled. Inclusion criterion was an uncomplicated singleton pregnancy not considered to be at high risk. Patients participated for 3 consecutive days. On day 1, the patients underwent a baseline biophysical profile including a non-stress test followed by a 12-mg betamethasone intramuscular injection...
January 2003: Journal of Maternal-fetal & Neonatal Medicine
https://read.qxmd.com/read/12611088/deepest-vertical-amniotic-fluid-pocket-at-term-normal-values-and-clinical-application
#27
COMPARATIVE STUDY
Thomas D Myles, Jeffrey L Morgan, Joaquin Santolaya-Forgas
OBJECTIVE: To determine the normal values of the deepest vertical amniotic fluid pocket (DVP) in term pregnancies and whether a similar relationship to birth weight (BW) exists. STUDY DESIGN: Two hundred thirty-one term patients (37-42 weeks) with intact membranes and a normal amniotic fluid index (AFI) were included. DVP was identified and compared to BW, BW > 4,000 g (large for gestational age [LGA]) and BW < 2,500 g (small for gestational age [SGA]). Statistical comparisons and linear regression models were made...
January 2003: Journal of Reproductive Medicine
https://read.qxmd.com/read/12423483/ultrasound-estimation-of-amniotic-fluid-volume-using-the-largest-vertical-pocket-containing-umbilical-cord-measure-to-or-through-the-cord
#28
JOURNAL ARTICLE
E F Magann, S P Chauhan, W Washington, N S Whitworth, J N Martin, J C Morrison
OBJECTIVES: The purpose of this investigation was to determine the preferable method, either measuring to the umbilical cord or through the umbilical cord to the base of the pocket, of ultrasonically estimating amniotic fluid volume. SUBJECT AND METHODS: This was a prospective study carried out in singleton pregnancies undergoing a third-trimester amniocentesis. The amniotic fluid index (AFI) and single deepest pocket (SDP) were measured prior to amniocentesis. If measured spaces contained umbilical cord, measurements were made to and through the cord...
November 2002: Ultrasound in Obstetrics & Gynecology
https://read.qxmd.com/read/11803217/uterine-artery-doppler-velocimetry-in-patients-with-idiopathic-hydramnios
#29
JOURNAL ARTICLE
R Hershkovitz, E Sheiner, B Furman, A Smolin, M Hallak, M Mazor
OBJECTIVE: To evaluate the role of overdistended uterus on the uterine artery (UA) blood flow velocimetry by comparing UA Doppler in patients with idiopathic hydramnios to patients with normal amniotic fluid (AF) volume. METHODS: Pulsatility index (PI) of both UAs was determined prospectively between 26 and 41 weeks of gestation in 72 consecutive pregnant women with singleton pregnancies and idiopathic hydramnios and in 72 pregnant women with normal AF volume. Hydramnios was defined as an AF index (AFI) above 24 cm...
January 2002: Fetal Diagnosis and Therapy
https://read.qxmd.com/read/11499190/relationship-between-normal-amniotic-fluid-index-and-birth-weight-in-term-patients-presenting-for-labor
#30
JOURNAL ARTICLE
T D Myles, T M Nguyen
OBJECTIVE: To investigate whether a relationship between birth weight (BW) and amniotic fluid index (AFI) existed for term patients with intact membranes and, if so, whether it could predict macrosomia and intrauterine growth retardation. STUDY DESIGN: Two hundred thirty-one eligible women at term (37-42 weeks' gestation) had an AFI between 5.0 and 24.0 cm at the time of admission. Demographic information was collected, including BW. Statistical comparisons were made, with significance set at P < ...
July 2001: Journal of Reproductive Medicine
https://read.qxmd.com/read/11226442/a-longitudinal-study-of-amniotic-fluid-index-in-normal-pregnancy-in-nigerian-women
#31
JOURNAL ARTICLE
C M Chama, D N Bobzom, M A Mai
OBJECTIVE: To establish normal reference values of amniotic fluid index by week of gestation for normal pregnancies in our population. METHOD: A longitudinal prospective assessment of amniotic fluid index in healthy pregnant women carrying singleton pregnancies. The subjects were recruited at 20 or 22 weeks of gestation and concluded at 40 or 42 weeks of gestation. The numeral data were analyzed on an IBM Personal System 2 computer with statistical and graphical packages...
March 2001: International Journal of Gynaecology and Obstetrics
https://read.qxmd.com/read/11132589/novel-technique-for-assessing-amniotic-fluid-volume-use-of-a-three-dimensional-bladder-scanner
#32
JOURNAL ARTICLE
S E Mann, J Grover, M G Ross
OBJECTIVE: Abnormalities of amniotic fluid (AF) volume are associated with significant perinatal morbidity and mortality. Although current ultrasound techniques provide a linear amniotic fluid index (AFI) or 2-D area of AF, these indices have limited correlation with actual AF volume. The bladder volume instrument (BVI) 2500 ultrasound (Diagnostic Ultrasound Corp., Redmond, WA) utilizes a rotating 2 MHz transducer, a computer-defined fluid interface, and computer integration of 12 cross-sectional images to calculate 3-D fluid volume...
September 2000: Journal of Maternal-fetal Medicine
https://read.qxmd.com/read/10871481/the-amniotic-fluid-index-single-deepest-pocket-and-two-diameter-pocket-in-normal-human-pregnancy
#33
JOURNAL ARTICLE
E F Magann, M Sanderson, J N Martin, S Chauhan
OBJECTIVE: This study was undertaken to determine normative values for amniotic fluid index, single deepest pocket, and 2-diameter pocket across gestation. STUDY DESIGN: Fifty patients with normal pregnancies at each gestational age between 14 and 41 weeks' gestation were recruited prospectively and scanned once. Data were transformed into logarithmic (base 10) values for analysis. Polynomial regression equations were used to predict the normal values for amniotic fluid index, single deepest pocket, and 2-diameter pocket across gestational age and to predict the weekly percentage changes...
June 2000: American Journal of Obstetrics and Gynecology
https://read.qxmd.com/read/10764479/the-amniotic-fluid-index-in-normal-twin-pregnancies
#34
COMPARATIVE STUDY
L M Hill, M Krohn, N Lazebnik, B Tush, D Boyles, J J Ursiny
OBJECTIVE: We sought to investigate the amniotic fluid index for individual gestational sacs of twin pregnancies. STUDY DESIGN: Four hundred eighty-eight patients with normal diamniotic twins were examined between 14 and 40 weeks' gestation. The dividing membrane between twin fetuses was identified. An amniotic fluid index was then obtained for each gestational sac. RESULTS: The median amniotic fluid index in individual twin gestational sacs rises slowly from 14 to 16 weeks' gestation to 23 to 28 weeks' gestation and then gradually declines...
April 2000: American Journal of Obstetrics and Gynecology
https://read.qxmd.com/read/10764470/correlation-between-amniotic-fluid-glucose-concentration-and-amniotic-fluid-volume-in-pregnancy-complicated-by-diabetes
#35
JOURNAL ARTICLE
J S Dashe, L Nathan, D D McIntire, K J Leveno
OBJECTIVE: Pregnancies complicated by diabetes are frequently characterized by an increased volume of amniotic fluid, and the pathophysiologic mechanism of this increase is not known. Our goal was to evaluate the relationship between amniotic fluid glucose concentration and the amniotic fluid index in pregnancies complicated by insulin-treated diabetes and to compare it with that seen in normal pregnancies. STUDY DESIGN: Amniotic fluid index and amniotic fluid glucose levels were measured before elective repeated cesarean delivery in 41 women with insulin-treated diabetes and in 35 women without diabetes...
April 2000: American Journal of Obstetrics and Gynecology
https://read.qxmd.com/read/10024790/amniotic-fluid-index-in-normal-pregnancy-a-longitudinal-study
#36
JOURNAL ARTICLE
S P Chauhan, W E Roberts, J N Martin, E F Magann, J C Morrison
OBJECTIVE: This longitudinal study was undertaken to characterize the change in the amniotic fluid volume in normal pregnancy. METHODS: Prospectively, patients with uncomplicated gestations underwent serial amniotic fluid index by a single sonographer. RESULTS: Fifty-six patients underwent a total of 378 determinations of amniotic fluid volume (6.8 +/- 2.5 examinations per patient). The variation in mean amniotic fluid index between 24 and 40(+6) weeks was not significantly different (p = 0...
February 1999: Journal of the Mississippi State Medical Association
https://read.qxmd.com/read/9699758/normal-amniotic-fluid-index-by-gestational-week-in-a-chinese-population-central-south-china-fetal-growth-study-group
#37
JOURNAL ARTICLE
H Lei, S W Wen
OBJECTIVE: To construct an ultrasonography-based gestation-specific amniotic fluid index (AFI) curve in a Chinese population. METHODS: Routine obstetric ultrasonography examinations were performed in 5496 normal pregnancies (more than 95% first births) in five obstetric ultrasound laboratories in Central-South China from January 1, 1992, to December 31, 1993. A gestation-specific AFI curve was constructed and compared with previous studies. RESULTS: The gestational ages of the patients included in this study ranged from 16 to 40 weeks...
August 1998: Obstetrics and Gynecology
https://read.qxmd.com/read/9524157/an-assessment-of-amniotic-fluid-index-among-japanese-a-longitudinal-study
#38
Salahuddin, Noda, Fujino, Fujiyama, Nagata
>Objective: To obtain a longitudinal gestational reference range for the amniotic fluid index (AFI) among Japanese women and to compare the study with those of previous reports.Methods: A total of 739 measurements of the AFI of 96 Japanese women with normal pregnancies were analyzed. The criteria were singleton pregnancies between 20 and 40 weeks, without fetal anomalies, diabetes mellitus, hypertension, and other maternal complications. Logarithmic transformation was used to obtain the predicted mean AFI values with 95% confidence intervals at each gestational week...
March 1998: Journal of Maternal-fetal Investigation
https://read.qxmd.com/read/9514138/transvaginal-sonography-of-the-forewaters-in-the-assessment-of-amniotic-fluid-volume-in-patients-with-oligohydramnios
#39
COMPARATIVE STUDY
D M Sherer, S E Mann, M P Sardo, M Y Divon
OBJECTIVE: To determine whether the forewaters should be considered in the assessment of amniotic fluid (AF) volume in patients beyond 37 weeks' gestation. METHODS: Sixty patients were prospectively studied and designated as having oligohydramnios or normal AF volume based upon on the standard four-quadrant AF index (AFI) of < or = 5 cm or > 5 cm, respectively. The distance between the internal os and the fetal head was measured transvaginally. This measurement was first added to the standard AFI and subsequently interchanged with the lowest of the two lower abdominal quadrant measurements...
February 1998: American Journal of Perinatology
https://read.qxmd.com/read/9217959/oligohydramnios-and-the-appropriately-grown-fetus
#40
COMPARATIVE STUDY
S H Garmel, D Chelmow, S J Sha, J T Roan, M E D'Alton
The perinatal implications of oligohydramnios prior to 37 weeks of gestation, in the absence of intrauterine growth restriction (IUGR), rupture of membranes or fetal anomalies, are unknown. We compared the outcomes of 65 women with oligohydramnios (amniotic fluid index ([AFI] < or = 8 cm) by sonography to those of a control group matched by sonogram indication. Study patients were between 17 and 37 weeks of gestation, with appropriately grown fetuses on index sonogram and no other detected explanation for amniotic fluid abnormalities...
July 1997: American Journal of Perinatology
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