Exploring fetal growth patterns in the second trimester: insights from ultrasound measurements among the Minangkabau Ethnic Group in Indonesia.

Background: Understanding fetal growth is essential for predicting perinatal outcomes and long-term health implications. This study explores the correlation between ultrasound parameters and gestational age in the Minangkabau ethnic group, focusing on the biometric variables biparietal diameter (BPD), head circumference (HC), abdominal circumference (AC), femur length (FL), and humerus length (HL) during the second trimester.

Methods: Conducted from December 2020 to December 2021, the research employed a cross-sectional design at the Fetomaternal clinic of Hospital M.