Accuracy of ultrasound, clinical and maternal estimates of birth weight in term women

Ashrafganjooei, T.; Naderi, Tayebeh; Eshrati, Babak; Babapoor, N.

doi:10.26719/2010.16.3.313

Cited by 29 publications

(25 citation statements)

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“…They concluded that abdominal palpation and Johnson's technique 7 can be used as alternatives to ultrasound for estimation of fetal weight, particularly if the measurements are taken by experienced, skilled person. 18 It was found that mean weight by Dawn's was 2.86 kg which is comparable to mean birth weight.…”

Section: Discussionmentioning

confidence: 51%

COMPARATIVE STUDY FOR ESTIMATION OF FETAL WEIGHT BY CLINICAL & ULTRASONOGRAPHICAL METHODS IN TERM PATIENTS

Ratwani¹,

Madkar²,

Deshpande³

et al. 2010

jemds

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BACKGROUND: Accurate determination of fetal birth weight prior to delivery can have significant bearing on management decision in labor, thereby markedly improving perinatal outcome. OBJECTIVE: To assess fetal weight in term pregnancy by different clinical and ultrasonographical methods. MATERIALS AND METHODS: The study was conducted in Obstetrics and Gynecology department of Dr. D.Y. Patil Medical College, Pimpri, Pune. Two hundred (200) women were selected and studied for a period of one year based on convenience sampling from October 2011 to September 2013.The fetal weight was estimated a week prior to the delivery by both ultrasound and clinical examination. Various formulae's for estimation of fetal weight were applied based on Ultrasound and clinical parameters. All results arising from different formulas were studied and suitable statistics was applied and compared to have clear idea regarding results. RESULTS: All results arising from different formulas were studied by Descriptive statistics and compared with Actual weight at the time of delivery (gold standard). A box plot was used to differentiate various methods used for estimation of fetal weight, It shows that Johnson, Dawn formula and weight in gms (Dare's) formula corresponds with the base line indicating that they can predict birth weight correctly and among these Johnson showed promising results, whereas formulas like Campbell, Comb's, Hadlock and Warsof didn't predict birth weight as accurately as the three clinical methods used, thus in our study it can be seen that clinical methods are better predictors of birth weight than ultrasonographic methods. CONCLUSIONS: In our study it was observed that Clinical methods used for estimation of fetal birth weight was found to be by far simple and reliable methods in estimation of fetal birth weight than Ultrasonographic estimation methods and thus holds importance in day to day practice especially in countries like us where still a large group of population resides in rural areas.

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Section: Discussionmentioning

confidence: 51%

COMPARATIVE STUDY FOR ESTIMATION OF FETAL WEIGHT BY CLINICAL & ULTRASONOGRAPHICAL METHODS IN TERM PATIENTS

Ratwani¹,

Madkar²,

Deshpande³

et al. 2010

jemds

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“…3 In one study done in Nigeria showed that clinical estimation of birth weight is as accurate as routine ultrasonographic estimation except in low birth weight babies. Therefore, when the clinical method suggests weight smaller than 2500 g, subsequent sonographic estimation is recommended to wield a better prediction and to further evaluation fetal well-being.…”

Section: Discussionmentioning

confidence: 99%

“…Correct EFW values are also important when intrauterine growth is restricted and in preterm labour. 3 The present study was undertaken to determine the accuracy of birth weight estimation by routine antepartum sonography at term.…”

Section: Introductionmentioning

confidence: 99%

Correlation between Estimated Fetal Weight at Term by Ultrasonogram and Actual Birth Weight

Nr¹,

Ma²,

Jesmin³

et al. 2014

J. Bangladesh Coll. Phys.

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The estimation of foetal birth weight is an important factor in the management of high risk pregnancies. Estimated foetal weight is calculated in the standard routine antepartum evaluation of high risk pregnancies and deliveries. This prospective observational study was done at the Department of Obstetrics and Gynecology in Border Guard Hospital, Peelkhana, Dhaka over a period of 6 months from January 2012 to June 2012. The present study was carried out to compare the accuracy of actual and ultrasonographic estimation of foetal weight at term. Hundred pregnant women at different gestational age from 37 weeks to 40 weeks were selected by simple random sampling. Ultrasonography was done for determination of estimated foetal weight (EFW) at term by using Hadlock method and birth weight was measured just after delivery. Data analysis was done by percentage and paired 't' test. The age range of patients were 18-37 years with mean ±SD is 25.13±4.46. Among 100 study patients 33% were nuliparous and 67% were multiparous. The mean ±SD of gestational age and actual birth weight is 38.76±1.09 and 3.11±0.391 respectively. Ultrasound biometric data that includes mean ±SD biparietal diameter (BPD) in mm, abdominal circumference (AC) in mm and femur length (FL) in cm were 90.21±3.52, 327.67±20.75 and 7.45±1.43 respectively. Mean ±SD of estimated foetal weight (EFW) Kg was 2.97±0.53. Actual birth weight is correlated with the estimated foetal weight and the result was not statistically significant (P >.05). Calculation of estimated fetal weight by ultrasonography is recommended to make decision about mode of delivery, so that an obstetrician can plan early in high risk cases.

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“…(a) clinical techniques based on abdominal palpation of foetal parts and calculations based on fundal height and (b) sonographic measures of skeletal foetal parts [4][5][6] . Ultrasound estimation of fetal weight, while being accurate to a degree, is associated with error ranging from ±6 to 11% depending on parameters measured and the 7 .…”

Section: Introductionmentioning

confidence: 99%

Comparison of Estimation of Fetal Weight by Clinical Method, Ultrasonography and its Correlation with Actual Birth Weight in Term Pregnancy

Roy¹,

Kathaley²

2018

MVP Journal of Medical Sciences

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Objective: To make a comparative evaluation of estimated fetal weight with actual birth weight by using: 1. Aymphysiofundal height x abdominal girth (dares formulae) 2. Ultrasonography (hadlock formulae). Materials and Methods: A prospective comparative study was carried out at the Obstetrics and Gynecology Department and USG section of Department of Radiodiagnosis of Dr Vasantrao Pawar Medical College and research centre from August 2014 to December 2016, to compare the accuracy of clinical and ultrasonographic estimation of foetal weight with actual birth weight at term. One hundred pregnant women who fulfilled the inclusion criteria had their foetal weight estimated independently using clinical and ultrasonographic methods. Results: About three fourth of the study subjects were in normal weight range of 2.5-4 Kg while 16% were LBW and 8% were VLBW babies. Both Dare's and Hadlock's formulae shows good co-relation with actual birth weight across all weight ranges (r-0.77 and 0.72; p<0.05 for both) with best correlation observed at weight range of 2.5 to 3.5 Kg. Correlation was slightly lower at extremes of weight at both end. In present study, on comparing prospectively clinical and sonographic methods of predicting birth weight prior to induction of labor at term, we found that clinical estimates appear to be as accurate as ultrasonographic ones. Conclusion: In developing country where ultrasound is not available in many health care delivery system, clinical estimation of foetal weight is an easy, cost effective and simple method.

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Accuracy of ultrasound, clinical and maternal estimates of birth weight in term women

Cited by 29 publications

References 0 publications

COMPARATIVE STUDY FOR ESTIMATION OF FETAL WEIGHT BY CLINICAL & ULTRASONOGRAPHICAL METHODS IN TERM PATIENTS

COMPARATIVE STUDY FOR ESTIMATION OF FETAL WEIGHT BY CLINICAL & ULTRASONOGRAPHICAL METHODS IN TERM PATIENTS

Correlation between Estimated Fetal Weight at Term by Ultrasonogram and Actual Birth Weight

Comparison of Estimation of Fetal Weight by Clinical Method, Ultrasonography and its Correlation with Actual Birth Weight in Term Pregnancy

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