Okay, I've heard of the weight distribution changing once on HRT, and I have for 4 months

I didn't think it would happen this fast, but what do you (all) think?
1- My tummy seems to have dropped, and I have gone from a size 8 panty to a definite size 9

. The size 8 is DEFINITELY too small now.
2- This is really strange (I think). I have definite breast growth, and can feel the nodules under my nipples. My breasts are probably barely an AA or a little larger. I normally wear a 38 band size. My girlfriend wears a 34 b, but frequently lets me try on her bras. Though they are a little tight, I have no problem putting one on. That is, until now. It's been about 2 months since I have tried one of hers on, but I did so this morning. To my astonishment, I could not even get the bra around me to fasten the clips

. Does HRT actually cause your band size to increase?
As always, thanks so much for your feedback.
K