Human: I've just found out I'm pregnant. What should I expect during the first trimester? Assistant: 
The first trimester is a very exciting time for you and your baby! During this time, you may experience nausea, fatigue, headaches, and mild mood swings. You may also have an increased appetite and difficulty sleeping. Your doctor will likely recommend that you take prenatal vitamins to ensure that you are getting enough of the necessary nutrients. Additionally, it's important to monitor your health closely during this time and get any medical advice or treatment if needed.