Assessment of Maternal Vitamin D Nutritional Status in Northern Taiwan During Pregnancy

Objectives: Pregnant women are more prone to nutrient deficiencies due to fetal growth demands. Vitamin D deficiency, linked to preterm birth and gestational diabetes, is a major concern. In Taiwan, pregnant women have the same recommended vitamin D intake as healthy adults, sparking debates on supplementation necessity. This study explores how sunlight exposure levels, sunscreen use frequency, and dietary supplements affect serum 25(OH)D concentrations in pregnant women.