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Is the use of symphysis-fundal height measurement and ultrasound examination effective in detecting small or large fetuses?

Hargreaves, K.; Cameron, M.; Edwards, H.; Gray, Richard; Deane, K.

Authors

K. Hargreaves

M. Cameron

Hazel Edwards Hazel.Edwards@uwe.ac.uk
Associate Dean - Research & Knowledge Exchange

Richard Gray richard.gray@uwe.ac.uk

K. Deane



Abstract

We investigated the accuracy of using symphysis pubis-fundal height measurement and ultrasonically derived estimation of fetal weight for identifying small-for-gestational-age (SGA) and large-for-gestational-age (LGA) fetuses. A retrospective cohort study was performed using computerised records of all non-diabetic women referred for an ultrasound growth scan (US) with clinically suspected SGA or LGA singleton fetuses from 35 weeks' gestation between October 2008 and March 2009 (n = 185). Birth weight data were also collected for all births over the study period (n = 3200). One-third (34%) of ultrasound estimated fetal weights were inaccurate by >10%. However, an inaccurate ultrasound estimation did not significantly increase the likelihood of spontaneous or induced onset of labour or delivery by caesarean section. Most (79%) growth scans were performed on well-grown fetuses. The majority (80%) of SGA and LGA babies in our cohort were not identified by clinicians during routine antenatal care. From 3,200 live births, there were a total of 59 infants weighing 5,000 Å g. Of these, only 12 had been referred for an ultrasound growth scan, indicating that abdominal palpation and fundal height measurement has a 20% sensitivity in detecting SGA or LGA fetuses. Of the 12, four were detected using ultrasound, indicating a 33% detection rate. Although ultrasound has a slightly higher sensitivity, neither clinical examination using fundal height measurements nor 3rd trimester ultrasound examinations are effective at detecting SGA or LGA fetuses. © 2011 Informa UK, Ltd.

Citation

Gray, R., Hargreaves, K., Cameron, M., Edwards, H., Gray, R., & Deane, K. (2011). Is the use of symphysis-fundal height measurement and ultrasound examination effective in detecting small or large fetuses?. Journal of Obstetrics and Gynaecology, 31(5), 380-383. https://doi.org/10.3109/01443615.2011.567343

Journal Article Type Article
Publication Date Jul 1, 2011
Journal Journal of Obstetrics and Gynaecology
Print ISSN 0144-3615
Electronic ISSN 1364-6893
Publisher Taylor & Francis
Peer Reviewed Peer Reviewed
Volume 31
Issue 5
Pages 380-383
DOI https://doi.org/10.3109/01443615.2011.567343
Keywords estimated fetal weight, fetus, fundal height, labour outcome, LGA, SGA, ultrasound
Public URL https://uwe-repository.worktribe.com/output/960658
Publisher URL http://dx.doi.org/10.3109/01443615.2011.567343


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