Vitamin D is the precursor of 1, 25 dihydroxy vitamin D3, the steroid hormone required for calcium absorption, bone development and growth in children. 90% of vitamin D is produced in the skin from the action of sunlight and remaining 10% is obtained from dietary sources. Vitamin D deficiency is major issue in Pakistan and in pregnancy it has been associated with adverse outcomes like pre-eclampsia, gestational diabetes mellitus and preterm birth. Deficiency during infancy may lead to rickets in infants. This study was aimed to find level of vitamin D in relation with calcium in pregnancy and...