In this video, Dr. K K Aggarwal, Padma Shri Awardee, Editor-in-chief IJCP Publications, will talk about vitamin D level in pregnancy. If the pregnant woman can afford then vitamin D test can be done but is not mandatory. Ideally after 12 weeks of pregnancy, the test can be done. Dr. Aggarwal will further discuss that supplementation should be started after 12 weeks of pregnancy and the dosage should be 1000 units per day. Dosage up to 5000 units is safe in pregnancy. Hence, supplementation of vitamin D is essential in all pregnant women after 12 weeks to avoid congenital vitamin D deficiency in children.