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

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

The association between gestational vitamin D deficiency and preterm birth : A case control study

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

The Correlation Between Serum Vitamin D and Urinary Tract Infection in Pregnant Woman : A Case Control Study

Vitamin D Status and Obstetric Outcome

Vitamin D-Binding Protein in Cervicovaginal Fluid as a Non-Invasive Predictor of Maternal and Fetal Outcome in Women with Preterm Labor

Vitamin D Assessment In Iron Deficiency Anemic Pregnant Women and Their Newborns

Association Between Vitamin D Deficiency and Unexplained Infertility

Prevalence of Vitamin D Deficiency among Pregnant Women