Hi ! I absolutely understand how you feel.
I went through the same thing the first time. It was hard.
The second time, I was also sick, but instead of seeing everything I couldn't do, I tried really hard to accept that I was disabled, and focused on what I COULD do, and COULD achieve, and, it helped me so much. It saved me going back to a severe depression, on top of the illness. I congratulated myself everyday on some accomplishments. (Like, taking a shower, playing 10 minutes with my son - Really, just little things!)
You are very string, you are a warrior, and we all know this. Please, allow yourself to not be your 100% while you are pregnant, you are already doing SO MUCH considering the illness. I want to tell you CONGRATULATIONS for evrything you have achieve in the last weeks, and, everything you will continue to achieve.
One day at a time, and one goal at a time - You WILL make it