Weight Gain

I recently found out that I’m pregnant, we were trying just not actually trying that month so it was a big surprise, a very welcomed one of course, anyways I’m a bigger girl, I was 270 prior to finding out, well I’m only 6 weeks according to LMP.. I’ve seriously gained 10 pounds.. I don’t understand.. I don’t eat terrible, mostly salads and water.. occasionally a smoothie or milkshake.. I worked really hard to lose 30 pounds and now I’ve gained 20 back already.. wth...

Is the ‘normal’ like possibly bloat or.....?? Lol I’m so confused and irritated. I’ve been trying to take walks again but lord.. it’s so hot in Cali already.. 95+ lol