Feeling kinda depressed.... normal ?

Hi I'm 8 weeks pregnant and I have these mood swings, less patience more aggitated, feeling a little sad and hopeless. I'm happy I have a great husband great 5 year ol just graduated from nursing school. But somethings wrong the fatigue nausea vomiting been taking a toll on me. It's hard for me to get things done. I'm sad I lay In bed alot unmotivated. I feel like my life just flipped. Any help anyone