Beyond irritated & want to snap!

Meli • Engaged. 25 with a 7yo Daughter. Baby boy born Oct 17th, Napa CA
I have this co-worker that's always commenting on my bump. Saying things like "oh Meli you better stop eating" "gaining a little weight there" and other comments that I can't seem to think of at the moment. She also has gone on and on about her pregnancies (her youngest is in her early 30's) & how active she was. But she didn't have a job then🤔. I work 40 hours a week as a program supervisor for adults with disabilities. I'm on my feet all day long & I never complain! I'm anemic so I'm really tired all the time & never show it, but I do have a lot of doctors appointments because I had a MC last year and my doctor just wants to see me often. It's starting to really get to me as adjusting to body changes and being down right uncomfortable is hard. I thought the "big" comments would never get to me but the fact that she says it in front of other people especially clients makes me want to say some not nice things to her. Just needed to vent😤
Sincerely, 28 weeks and apparently way to big