Feeling overly sensitive about getting bigger

Are any other moms who were previously way over weight (I'm talking like 300+lbs) feeling extremely self conscious about getting bigger with their pregnancy or is it just me? For the last year and a half ive been making healthier choices, cutting back on the amount of food i eat and exercising more, i finally got down to 220lbs (started my weight loss journey at 345lbs) then I got pregnant and although i know the weight gain is due to the fact that im almost 5 months pregnant i still feel extremely self conscious about how big i have already gotten and how fast. Ive only actually gained 6lbs but it looks like ALOT more and im having a hard time not getting emotional about it. This is my 2nd pregnancy that has made it this far and i started showing almost immediately with this one. My MIL commented on how all that work ive done is going to be for nothing and that it looks like ill have gained it all back by October when this baby is born so hopefully i didnt get rid of my fat clothes cuz im going to need them. Am i just being overly self conscious or are there other moms struggling with this feeling as well?