What are the obvious changes in your body when you are 17 days pregnant? Pregnancy is a very important event in every woman\’s life. If you do not understand the changes in your body in time during the early stages of pregnancy, you may easily cause harm to your body. This article will elaborate on the obvious changes in the body during the 17th day of pregnancy from four aspects. 1. Body reaction changes The most obvious reaction is the body changes in the early stages of pregnancy. On the 17th day of pregnancy, women may experience mild nausea and vomiting. At this time, some women will feel weak, their sense of taste will gradually change, they will easily feel thirsty, and their whole body will feel warm. These symptoms are early pregnancy