Study the major factors that lead to Vitamin D deficiency in pregnant women In Al-Marj city during the period from June2023 to October 2023

This study aimed to determine the major factors that lead to Vitamin D deficiency in pregnant women in Al-Marj city The study was conducted at Al-Marj Educational Hospital, Al Manara Clinic, Alhilalal'ahmar Clinic and Al - Marwa Clinic. The data was collected by using questionnaire and direct interview with pregnant women 119, in addition to using medical record. Their ages(20years-43years). Data was collected during the period from June 2023 to October 2023. Data of the questionnaire were analyzed using software program statistical package for social sciences (SPSS). The major factors that significantly associated with Vitamin D deficiency in pregnant women in this study were aging, lack of exposure to sunlight, low vitamin D dietary, Obesity, dark skin, calcium absorption disorder and its relationship to vitamin D.