Abstract
Objective: The objective of the study is to predict the gestational age of fetus with the reference of humerus and foot length by ultrasonography. Methodology: A cross sectional analytical study was perform in which 131 pregnant women with a singleton fetus were taken to get the required results. All data of the ultrasonographical reports has been collected from The Department of Radiology, Sheikh Zaid Hospital, Lahore. All pregnant women, from the second trimester to full term, are examined by ultrasound measurement of the full HL and FFL were taken by using a curve array transducer. Results: 36 women (27.5%) out of 131 had gestational age by LMP was 17-20 weeks and only 2 women (1.5%) having gestational age by LMP of 37-40 weeks while out of 37 women (28.2%) out of 131 had gestational age by foot length was 17-20 weeks and 8 women(6.1%) having gestational age by foot length of 25-28 weeks. 41 women (31.3%) out of 131 had gestational age by humerus length was17-20 weeks and 3 women (2.3%) having gestational age by foot length of 37-40 weeks.GA was almost similar from these different parameters i.e. LMP, Foot Length and Humerus Length. Conclusion: The fetal foot length and humerus length developed with gestational age in a healthily developing fetus. During the late second and third trimesters of pregnancy, the length of a fetus's foot and humerus length could be considered as an exploratory approach to determine the gestation of the fetus. When other parameters failed to reliably estimate gestational age, the length of the fetal foot and humerus length proved effective. Keywords: Gestational age, Humerus Length, Foot length DOI: 10.7176/JHMN/91-05 Publication date: July 31 st 2021
Highlights
IntroductionAn accurate measurement of gestational age is important. Making effective management decisions necessarily requires correct gestational age information
In obstetric care, an accurate measurement of gestational age is important
Pregnancy ultrasound is believed to be important for determining gestational age (GA) [6, 7].Many methods have been identified in the last 30 years concerning the relation between different biometric parameters such as crown rump length, diameter of gestational sac, biparietal diameter (BPD), femur bone length (FL) and abdominal circumference (AC) and gestation
Summary
An accurate measurement of gestational age is important. Making effective management decisions necessarily requires correct gestational age information. Pregnancy ultrasound is believed to be important for determining GA [6, 7].Many methods have been identified in the last 30 years concerning the relation between different biometric parameters such as crown rump length, diameter of gestational sac, biparietal diameter (BPD), femur bone length (FL) and abdominal circumference (AC) and gestation. Conditions that affect the shape of the skull, such as cranial malformations, will affect biparietal diameter (BPD) and head circumference (HC) In these cases, we must rely on other parameters to provide a more accurate estimate of gestational age [9, 10].BPD measurements will overestimate or underestimate gestational age if a head is disproportionately rounded (brachycephalic) or unusually elongated (dolichocephalic). While biparietal diameter (BPD), head circumference (HC), abdominal circumference (AC), and femur length (FL) are all considered reliable predictors and are used as typical parameters, using foot length along with humerus length to determine gestational age is more accurate
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