Diagnostic Accuracy of Ultrasonography for the Detection of Foetal Weight

Journal of National Institute of Neurosciences Bangladesh Pub Date : 2023-10-04 DOI:10.3329/jninb.v9i1.68176

Tahmida Firdousi, Kamrun Nahar Sweety, AKM Mohiuddin Bhuiyan, Afroza Sultana, Shamsun Nahar

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Abstract

Background: Ultrasonography is a very useful diagnostic tool for the detection of foetal weight. Objective: The purpose of the present study was to validate the ultrasonography for the detection of foetal weight. Methodology: This prospective cohort study was carried out in the Department of Obstetrics & Gynaecology at Rajshahi Medical Hospital, Rajshahi, Rajshahi, Bangladesh from July 2012 to June 2014 for a period of 2(two) years. Pregnant women with known gestational age at term (38 to 40 weeks of pregnancy), singleton pregnancy with longitudinal lie were included in this study. The patient was then taken to Dept. of Radiology & Imaging, RMCH. Ultrasonographic estimation of foetal weight was done from estimation of foetal abdominal circumference (AC), biparietal diameter (BPD) and foetal femur length (FL). Actual birth weights of babies were measured soon after their birth. The BPD, AC and FL were measured in centimetres and foetal weight was measured in grams. Actual birth weight is the first weight of now-born obtained after birth. This weight was measured within the first hour of life. Result: A total number of 245 pregnant women in term pregnancy were recruited as per inclusion and exclusion criteria. Majority of the women [91(37.1%)] belonged to the age group 19 to 29 years which was 174(71.0%) cases. Low birth weight was found in 12(4.9%) cases ultrasonographic examination and actual low birth weight was found in 15(6.0%) cases. Overweight was found in 13(5.2%) cases ultrasonographic examination and actual birth overweight was found in 9(3.7%) cases. The mean value and SD of foetal weight measured by USG was 2870.41 gms and 424.84 respectively. In case of actual birth weight, the mean and SD was 2936.20 gms and 456.71 respectively (p = 0.05). Conclusion: In conclusion estimation of foetal weight by ultrasonography is not significantly varied. Journal of National Institute of Neurosciences Bangladesh, January 2023;9(1):16-19

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超声检查胎儿体重的诊断准确性

背景:超声检查是检测胎儿体重的一种非常有用的诊断工具。目的:验证超声检查胎儿体重的有效性。方法:这项前瞻性队列研究在妇产科进行;2012年7月至2014年6月在孟加拉国拉杰沙希的拉杰沙希医院做妇科检查，为期2年。已知足月孕周(38 - 40周)的孕妇，单胎纵向妊娠的孕妇被纳入本研究。病人随后被送往放射科。成像,RMCH。通过胎儿腹围(AC)、胎儿双顶径(BPD)和胎儿股骨长(FL)的超声估计胎儿体重。婴儿的实际出生体重是在他们出生后不久测量的。BPD、AC和FL以厘米为单位，胎儿体重以克为单位。实际出生体重是新生儿出生后获得的第一个体重。这个体重是在出生后的第一个小时内测量的。结果:按纳入和排除标准共纳入足月妊娠孕妇245例。女性以19 ~ 29岁年龄组(174例，占71.0%)为主，91例(37.1%);超声检查发现低出生体重者12例(4.9%)，实际低出生体重者15例(6.0%)。超声检查发现超重13例(5.2%)，实际出生超重9例(3.7%)。USG测定胎儿体重的平均值为2870.41 g, SD为424.84 g。实际出生体重的平均值为2936.20 gms, SD为456.71 (p = 0.05)。结论:超声对胎儿体重的估计无明显差异。孟加拉国国家神经科学研究所杂志，2023年1月;9(1):16-19

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Journal of National Institute of Neurosciences Bangladesh

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