Effect of Parity, Maternal Body Mass Index, Maternal Weight Gain During Pregnancy, Stage of Labor, and Amniotic Fluid Volume on Ultrasonographic Estimation of Fetal Weight

Özçam, Hasene; Cimen, Gonul; Atakul, Nil; Uzunçakmak, Cihangir; Güldaş, Ahmet; Kesmezacar, Ozgu

doi:10.5152/imj.2015.96977

Cited by 3 publications

(1 citation statement)

References 24 publications

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“…The [3] and [4], observed that a greater percentage of women with high BMI had a significant increment in SBP and DBP in comparison to those who have a relatively stable BMI. According to a study, symptoms of obesity are intensified by excessive gaining of weight during pregnancy and the inability to lose weight six months after child birth.…”

Section: Introductionmentioning

confidence: 99%

Two-Way Multivariate Analysis of Variance (MANOVA) of the Effect of Parity on Body Mass Index and Body Surface Area of Pregnant Women

Happiness

Biu

2020

AJOPACS

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Aims: In the determination of the effect of Parity on Body Mass Index (BMI) and Body Surface Area (BSA). Study Design: Pregnant Women Body Mass Index (BMI) and Body Surface Area (BSA) measurements, Number were used in this study. Place and Duration of Study: The data on the various measurements on pregnant women were collected from the Radiology department of University of Port Harcourt Teaching Hospital. Methodology: The Two-way Classification Multivariate Analysis of Variance (MANOVA) was employed to obtain the MANOVA test statistics for Wilk’s, Pillai, Lawley-Hotelling and Roy’s Largest Root. Results: Results showed that the MANOVA test statistics for Wilk’s statistics showed no significant effect for the Parity level categorized on BMI (Factor A) and the Parity level categorized on BMI and BSA (Factor AB), while Lawley-Hotelling Root test showed no significant effect for the effect of the Parity level categorized on BSA (Factor B). However, two MANOVA test statistics (Pillai and Roy’s Largest Root statistics) gave significant effect on BMI or BSA or both (or all Factors A, B and AB). These results confirmed that the effect of the Parity level has a significant effect on BMI or BSA or both in terms of the categories (normal, overweight and obese). These results are in agreement with known results by medical practitioners.

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Section: Introductionmentioning

confidence: 99%

Two-Way Multivariate Analysis of Variance (MANOVA) of the Effect of Parity on Body Mass Index and Body Surface Area of Pregnant Women

Happiness

Biu

2020

AJOPACS

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Determination of error level of ultrasonographic fetal weight estimation according to the seniority of residents in obstetrics and gynecology

Çift

Temür

Yildizbakan

et al. 2020

The European Research Journal

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Objectives:We consider the difference between estimated fetal weight and birth weight through the measurement according to the seniority of the residents in obstetrics and gynecology. In this study, we aimed to determine the fallibility of the residents according to their seniority years. Methods: This research was planned as a prospective and approved by the Ethics Committee Ultrasonographic measurements were performed with ultrasound device and the estimated fetal weight was calculated with Hadlock 4 (BPD, HC, AC, FL) formula. Measurements were performed by the residents in the first, second, third and fourth year of training and repeated by the same specialist for each patient. Only those who gave birth within 48 hours of the ultrasonographic measurements were included in the study. Results: A total of 392 pregnant women were included in the study. Ninety-eight pregnant women were examined by 1st year resident, 100 pregnant by 2nd year resident, 93 pregnant by 3rd year resident and 101 pregnant by 4th resident. Largest difference between the estimated fetal weight and birth weight was performed by the fourth year resident with 125.06 ± 247.40 grams. Conclusions: The estimated fetal weight by ultrasonography has an important place in obstetric practice and it may vary according to the years of seniority of the resident. For this reason, ultrasonography should be used effectively and accurately during the training of the residents in the centers of education in obstetrics and gynecology and it is essential that the residents learn the ultrasound examination properly and completely. How to cite this article: Çift T, Temur M, Yıldızbakan M, Türker AÜ, Öztaş S, Acar Y, et al. Determination of error level of ultrasonographic fetal weight estimation according to the seniority of residents in obstetrics and gynecology. Eur Res J 2020;6(4):319-325.

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Analysis of factors influencing accuracy of ultrasound-based fetal weight estimation

Hiwale

Firtion

2020

Indian Journal of Radiology and Imaging

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Context: The primary objective of this study was to examine the impact of maternal age, parity, gestational age, fetal gender, gestational diabetes mellitus, and pregnancy-induced hypertension on the accuracy of ultrasonography-based fetal weight estimation. The secondary objective was to find the impact of a formula selection on the accuracy of fetal weight estimation. Subjects and Methods: The inclusion criteria were a live-birth singleton pregnancy and the last ultrasound scan to delivery interval ≤7 days. Fetal weight was estimated using the Hadlock-4 formula. To study the concurrent impact of all the factors on the accuracy, cases were divided into two subcategories based on percentage error, with ±10% as a threshold. The accuracy of Hadlock-4 formula was compared with the two Indian population-based formulas, Hiwale-1 and Hiwale-2. Results: In total, 184 cases were included in the study. It was observed that the systematic error in weight estimation was significantly less in the male fetuses (8.45 ± 9.34%) in comparison to the female fetuses (11.71 ± 10.34%). The combined impact of all the factors on the accuracy was found to be nonsignificant by the multivariate analysis. The Hiwale-1 (-0.59 ± 8.75%) and Hiwale-2 (-0.65 ± 8.7%) formulas had statistically significant less errors compared to the Hadlock-4 formula (11.67 ± 7.95%). Conclusion: All the studied clinical factors were found to have a limited impact on the overall accuracy of fetal weight estimation. However, the formula selection was found to have a significant impact on the accuracy, with the native population-based formulas being significantly more accurate.

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Effect of Parity, Maternal Body Mass Index, Maternal Weight Gain During Pregnancy, Stage of Labor, and Amniotic Fluid Volume on Ultrasonographic Estimation of Fetal Weight

Cited by 3 publications

References 24 publications

Two-Way Multivariate Analysis of Variance (MANOVA) of the Effect of Parity on Body Mass Index and Body Surface Area of Pregnant Women

Two-Way Multivariate Analysis of Variance (MANOVA) of the Effect of Parity on Body Mass Index and Body Surface Area of Pregnant Women

Determination of error level of ultrasonographic fetal weight estimation according to the seniority of residents in obstetrics and gynecology

Analysis of factors influencing accuracy of ultrasound-based fetal weight estimation

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