Why am I GAINING weight??

I’m 4 weeks pp. I worked really hard during my pregnancy to not gain too much weight. I only gained 20 pounds. I was really proud of that.

I gave birth via unplanned c-section. I went into the hospital weighing 190 and came out 195 because of water retention. Within the next week I was down to 169–my pre-pregnancy weight.

Now I’m exclusively breastfeeding and I’m not eating worse than I did when I was pregnant and I’ve gone back up to 173!!

Why???

I’m so heartbroken and discouraged right now. I feel like nothing I do is going to help me lose this weight (I’m trying to lose additional weight as well, because 170 is overweight and I need to get at least 20 pounds of that off too).

I’m just sitting here crying. It’s one thing to not lose weight or to have it come off slowly, but how in the world am I *gaining* weight??

Has anybody else gone through something similar?? Is there some tip or trick to get things moving on track? I’m desperate here.