INS and gestational diabetes: Another study from the local population concluded that in the Pakistani pregnant population, the deficiency of Vitamin-D is found very prevalent and this deficiency can be handled safely and effectively with a daily recommended dose of 5000 IU/day for pregnant women.17 However, the present study used a single experimental I/M dose of 200,000 IU of vitamin-D deficient pregnant women who also had GDM, in addition to their routine ante-natal supplementation, and found significant beneficial results with improved insulin levels in them.