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Correlation Between Gestational Age by Last Menstrual Period (LMP) and Fetal Biometry Using Ultrasonography in the First Trimester in Ethnic Minangkabau
Abstract
Introduction
Ultrasonography (USG) is a reliable method for measuring fetal biometry and estimating birth weight.
Methods
This cross-sectional study examines fetal growth biometry in the Minangkabau ethnic group, with data collected from pregnant women who attended prenatal check-ups at the Fetomaternal clinic of DR. M. Djamil General Hospital, Padang, in December 2020. A Pearson correlation test was used for bivariate analysis due to the normal distribution of the data (p value <0.05), followed by multivariate analysis using linear regression.
Results
Ultrasound examinations were conducted on 400 pregnant women in their first trimester (4-13 weeks) for prenatal assessments. Pearson correlation analysis demonstrated a strong relationship (r=0.94, p=0.0001) between crown-rump length (CRL) and gestational age (GA) as determined by the last menstrual period (LMP).
Conclusion
We have established a national standard for fetal growth assessment and first-trimester ultrasound pregnancy dating in Indonesia, specifically designed for the Minangkabau ethnic population.
