Weight loss during pregnancy / Baby bump

So before starting the IVF process to get pregnant, I was around 210-215. I went through the process and it worked. I'm now 12+4 and I'm down to 188.4... I not hungry at all, and what I do eat, it's minimal...

Anyone else go through this?? Also! When the heck am I supposed to start showing? My stinking skinny mini friend is all "Oh my god I'm only 13+3 and already showing! I'm going to be sooooo huge!" Not going to lie... sometime I want to kick her in her skinny butt...