12 weeks and struggling!!!!

I am turning 13 weeks tomorrow and I will finally go to my ultrasound appointment. I'm super nervous and don't know what to think. My symptoms have been up and down for the past week but lately my body has been feeling like I get beat up in my sleep. I wake up with my legs and arms super soar and a huge headache. Not to mention the bad stomachaches because I have to use the bathroom TMI. Have you ladies felt like this around 12 weeks or are currently feeling this way?? Super stressed and exhausted!!