The ability to estimate fetal weight accurately from symphysis fundal height sfh and abdominal girth ag measurements was evaluated. Area under the curve 086 088 and 091 in a b and c respectively.
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Estimated fetal weight using fundal height. Multivariate regression analysis was performed on measurements made on 208 primigravidas within 48 hours of delivery. Log 10 weight 1304005281ac01938fl 0004acfl. Fundal height is the measurement in centimeters from your pubic bone to the top of your uterus. Slow fetal growth intrauterine growth restriction. Most of the time fundal height gives you extra peace of mind that your. Your healthcare provider may also use fetal ultrasound to check your babys growth and development.
Your doctor will compare your fundal height to the average fundal height of moms at your same week of pregnancy. It is a more. Ultrasound uses sound waves to create a picture of your baby. Input variables included clinical data maternal and paternal age ethnic origin weight and height weight gain during pregnancy previous deliveries and birth weights clinical weight estimation and fundal height and sonographic data tables tablesi i ii. A better correlation with birth weight was obtained with the sfh than with the ag. A fundal height measurement might be less accurate however if you have a body mass index of 30 or higher obesity or have a history of fibroids.
Large for gestational age lga was defined as estimated fetal weight of. A pregnant persons weight or health concerns such as a history of fibroids can make for less accurate fundal height measurements according to the mayo clinic. Its used to help estimate your babys length and weight. A fundal height that measures smaller or larger than expected or increases more or less quickly than expected could indicate. This measurement is a tool and. Log 10 weight 17492 0166bpd 0046ac 2646 acbpd1000.
A single sfh at delivery was not reliable enough to estimate foetal weight in south africa 29 32 but was felt to be useful in rural tanzania 33. For example at 24 weeks gestation your fundal height should be close to 24 cm. In practice the most common equations for calculating the estimated fetal weight efw are reported to be the shepard and hadlock formulas 589. Fetal growth examples the panels below illustrate some of the issues which have arisen during discussion and training sessions specifically relating to normal static slow plots above the 90th centile and excessive growth. Receiveroperating characteristics curves for the prediction of birth weight 4000 g according to estimated fetal weight calculated using fundal height a fundal height in combination with other clinical factors b and fetal abdominal circumference c. If the fundal height is less than expected it may mean the baby is not growing well.
Attempts have been made to use sfh and other factors such as maternal weight and us prediction to infer excess foetal weight with moderate success 2931.
Gallery of Estimated Fetal Weight Using Fundal Height
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