1. Symptoms of one-month unplanned pregnancy Some early pregnancy symptoms may appear during one-month pregnancy, such as breast swelling, nausea, vomiting, changes in appetite, etc. However, these symptoms may not always appear, and some people may not feel any discomfort at all. Therefore, if you suspect that you are one month pregnant, it is best to go to the hospital for examination and confirmation. 2. Things you need to pay attention to during one month of unplanned pregnancy