At 36 weeks she was predicting she was over 7lbs and if I went to 40 she would be 8/9 lbs. My ultrasound said 9 lbs but tech said give or take 1 lb. Ultrasound Obstet Gynaecol 2014 ; 44: 210 – 220 . In the birth weight greater than 4000 g, both methods underestimated the birth weight, and the mean errors and the rate of estimates within 10% of birth weight were similar for both methods. Milner J, Arezina J.The accuracy of ultrasound estimation of fetal weight in comparison to birth weight: A systematic review.Ultrasound. Bajracharya J, Shrestha NS, Karki C. Accuracy of prediction of birth weight by fetal ultrasound. Curious what your latest ultrasound weight was vs actual birth weight was. Ultrasound measurements of the fetus's head, abdomen, and upper thighbone provide a more accurate way to determine size. I didn't have an ultrasound for weight done, but my midwife felt my belly and said 'whoa thats going to be a big baby!' There was positive correlation between the ultrasound estimated weight and the actual birth weight. Low birth weight (defined as <2500 g), preterm birth, and stillbirth were significantly more frequent in the cohort than in the state (17.3% vs 5.15%, 19.9% vs 8.0% and 3.5% vs 0.33%, respectively, P < 0.05). Discussion in 'Pregnancy - Third Trimester' started by WantsALittle1, Jan 5, 2014. Accuracy of fetal weight estimation is of key importance in antenatal care, as well as in the planning and management of labour and mode of delivery [1,2,3,4,5,6,7,8,9].In order to achieve more accurate prenatal fetal weight estimations and align these with a risk-optimizing mode of delivery, additional tools supporting the standard of use with ultrasound are needed. In a 2009 study out of Texas, moms who had a baby with birth weight overestimated by 15 percent before labor, had a greater chance of C-section delivery. PMID: 23132481 PMID:29456581 57. After knowing the answer to "how accurate are ultrasounds for weight", you may wonder how the weight is measured with ultrasound. Ultrasound weight estimates vs. actual birth weight? Baby was born on 12/13 at a shocking tiny 6lbs 5oz! Page 1 of 2 1 2 Next > WantsALittle1 Well-Known Member. Kathmandu Univ Med J (KUMJ) . There is no method of checking fetal size before delivery can provide more than an estimated fetal weight (EFW). Conclusion Clinical estimation of birth weight in early labor is as accurate as routine ultrasonic estimation obtained in the preceding week. 2018 Feb;26(1):32-41. Background The aim of the study was to evaluate the ultrasound-derived measurements of the fetal soft-tissue, heart, liver and umbilical cord in pregnancies complicated by gestational (GDM) and type 1 diabetes mellitus (T1DM), and further to assess their applicability in the estimation of the fetal birth-weight and prediction of fetal macrosomia. Methods Measurements were … The mean ultrasound scan to delivery … I carried a 9 lb baby and I just don’t feel like this one is as big. Comparison of conventional 2D ultrasound to magnetic resonance imaging for prenatal estimation of birthweight in twin pregnancy Caroline Kadji, Elisa Bevilacqua, Ivan Hurtado, Andrew Carlin, Mieke M Cannie , Jacques C Jani But unlike weighing the baby on a scale after birth, even the best ultrasound measurements aren't 100% reliable. Khalil, A, D’Antonio, F, Cooper, D Ultrasound estimation of birth weight in twin pregnancy: comparison of biometry algorithms in the STORK multiple pregnancy cohort. Joined: Jan 2, 2012 Messages: 3,746 Likes Received: 0. The mean birth weight was 3.47 kg ± 0.47, while the mean estimated ultrasound weight was 3.43 kg ± 0.8. Mean birth weight in the cohort was significantly lower (2963 vs 3306 g, P < 0.001) than that in the state. How Is Fetal Weight Measured with Ultrasound? 2012;10(38):74-6. 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