In the study, the potential effects of vitamin D deficiency on fetal neurodevelopmental parameters will be examined. In this context, fetal brain development will be compared between pregnant women with and without vitamin D deficiency, revealing the possible neurodevelopmental outcomes of vitamin D deficiency during the prenatal period.

Vitamin D is a vitamin that regulates calcium and phosphorus balance in the body and plays a crucial role in bone health. Additionally, it is known to have effects on immune system functions and neurological health. Pregnancy is a period in which vitamin D requirements increase, and vitamin D deficiency can lead to various health problems. It is believed that vitamin D deficiency may have adverse effects on fetal neurological development and may be associated with certain pathological conditions during pregnancy.

Neurosonography is a critical tool for assessing the effects of prematurity, vitamin D deficiency, and other pregnancy complications on the fetus. This article will focus on the evaluation of neurosonographic findings in pregnant women with vitamin D deficiency.

Inclusion Criteria:Patients presenting for routine antenatal care between 20-30 weeks of gestation will be included.

Exclusion Criteria:Multiple pregnancy, preterm rupture of membranes, chorioamnionitis, placental abruption, severe fetal growth restriction, congenital fetal anomalies, preeclampsia, oligohydramnios and maternal diabetes.

Patients presenting to the Perinatology clinic of Şanlıurfa Training and Research Hospital for routine antenatal care between 20-30 weeks of gestation will be included.