What are the first symptoms of pregnancy for pregnant women? Pregnancy is a very important process for a woman\’s body, and many people will have varying degrees of reactions in the early stages of pregnancy. These reactions are normal. Next, let’s take a look at the main symptoms of pregnancy at the beginning of pregnancy. 1. Breast swelling and sensitivity Breast swelling and sensitivity are one of the most common symptoms during early pregnancy. When you become pregnant, hormones in your body begin to change, causing changes in your breasts. During this period, a woman’s breasts may feel