Hyperthyroidism and hypothyroidism remains one of the leading endocrinological diseases in the world today. In the pregnant women they can pose a serious threat to the mother and developing fetus. Therefore, early diagnosis and screening will prevent untoward consequences. One of the drugs that have been approved for the treatment of hyperthyroidism in gravidity is propylthiouracil and Levothyroxine should be used to treat hypothyroidism in pregnancy,