Due to the rapid rise of estrogen in the body at the beginning of pregnancy, a variety of different reactions may occur clinically, mainly due to individual differences, such as gastrointestinal reactions, nausea, vomiting, anorexia or thirst, dizziness, and fear of cold and heat, mainly due to individual differences. If you experience thirst in early pregnancy, it is often due to physiological reactions. In most cases, this condition will slowly improve after the tenth week of pregnancy. However, it is important to note that if you have not had the appropriate health checkups before pregnancy to find out if you have diabetes, it is advisable to have a blood test to check for elevated blood sugar. If the blood sugar is elevated, it will also manifest clinically as thirst.