Exploring the Association between Vitamin D Deficiency and Maternal and Neonatal Outcomes: A Cross-sectional Study in Tertiary Care Center in Northern India

Background: Maternal vitamin D deficiency is a significant public health concern worldwide, with its deficiency being common across all continents and ethnic groups.It plays a crucial role in various physiological processes, including immune modulation, placental development, insulin regulation, and vascular health.This study aims to assess the prevalence of vitamin D deficiency among pregnant women and its association with maternal and neonatal outcomes in a tertiary care hospital in Northern India.Methods: A hospital-based cross-sectional study was conducted in the Department of Obstetrics and Gynecology at SMS&R, Greater Noida, from August 2022 to March 2024.A total of 194 pregnant women aged 19-39 years, admitted to the labor room with gestational ages between 28 and 42 weeks, were included.Exclusion criteria involved chronic illnesses affecting vitamin D metabolism.Maternal vitamin D levels were categorized as deficient (