It is normal, my last pregnancy I could be eating, and feel like I haven't eaten anything. So when I went for my first ultrasound I asked the doc if it was normal, it is. I was 10 weeks along when it happened too, just eat when you're hungry.
Yeah, but its on & off for me. One day I'll wake up feeling like I was kidnapped & left unfed lol & some days I'll feel normal or from just eatting a little I feel like I'm stuffed. Weird