TMI. First trimester constipation?

D • Married 09.29.17 • little man born 09.22.18 • follower of Jesus •

I’m sorry for the overshare but I’m 5 weeks and I have not taken a good poop in a week. I’m drinking almost a gallon of water a day because I am so incredibly thirsty, all of the time. I’m miserable. Has anyone found the cure? Anything that helps?