Role of fetal thigh circumference in estimation of birth weight by ultrasound

Hebbar, Shripad and Varalakshmi, N (2007) Role of fetal thigh circumference in estimation of birth weight by ultrasound. The Journal of Obstetrics and Gynecology of India, 57 (4). pp. 316-319.

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Abstract

OBJECTIVE(S): To evaluate the accuracy and usefulness of predicting birth weight by measuring fetal thigh circumference by ultrasound. METHOD(S): In 110 pregnant women, fetuses without structural or chromosomal anomalies were studied prospectively and cross-sectionally. Thigh circumference (TC) was determined at the mid level of the thigh. Biparietal diameter (BPD), head circumference (HC), abdominal circumference (AC), and femur length (FL) were measured using standard techniques. Fetal weights were estimated within a week prior to delivery. Estimates of birth weights obtained by various ultrasound birth weight formulas in different weight categories were statistically analysed and compared with each other and also with estimates obtained by clinical methods. RESULTS: Estimated fetal birth weight using TC correlated well with actual birth weight in all birth weight categories and was superior to clinical and birth weight formulas using BPD, HC, AC and FL measurements. CONCLUSION(S): There was a good correlation between ultrasound measurement and actual postnatal measurement of thigh circumference (r2=0.89, p<0.01). Thigh circumference measurement was simple and there was better accuracy when it was combined along with BPD, HC, AC and FL measurements.

Item Type: Article
Uncontrolled Keywords: estimated birth weight; thigh circumference.
Subjects: Medicine > KMC Manipal > Obstetrics & Gynaecology
Depositing User: KMC Manipal
Date Deposited: 28 Aug 2013 04:31
Last Modified: 28 Aug 2013 04:31
URI: http://eprints.manipal.edu/id/eprint/136942

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