Welcome to your third trimester! From weeks 27-40 your pregnancy will be at its peak of its wonder. Yes, it’s true that some of the symptoms from your second trimester such as back pain and weight gain will continue and some of the symptoms from your first trimester such as nausea and heartburn may return. On the bright side, you are closer than ever to meeting your baby and starting your new life as a family. Here are 7 things you need to know about the third trimester.