So lately I have been feeling nauseous ( mainly in the morning but not all the time ) my mood swings…

So lately I have been feeling nauseous ( mainly in the morning but not all the time ) my mood swings have gotten out of hand and my food intake has increased drastically amd I'm constantly out of breath and I have been so damn tired. so my question is could I he pregnant? My first pregnancy was not like this at all. I have also been vary bloated