Association between Vitamin D Deficiency and Preterm: A Case Control Study

Association of vitamin D deficiency in pregnancy and risk of preterm labor

Serum Vitamin D Deficiency in Idiopathic Preterm Labor: Case Control Study

Association Between Vitamin D Deficiency and Serum Ferritin and Preterm Labor: A Case Control Study

Maternal Vitamin D Level in Preterm and Term Labouras a Risk Factor

Association between Vitamin D Level at Birth and Respiratory Morbidities Among Preterm Neonates

Correlation between Vitamin D Deficiency in Pregnancy and Low Birth Weight Neonates

The Relation between Vitamin D Deficiency and Fetal Growth Restriction in Pregnant Women

Vitamin D Status and Obstetric Outcome

Maternal Vitamin D level and Early Pregnancy Loss A Nested Case Control Study