Unhappy with Breast Reduction: still large 6 weeks post op. Is there any hope that I'll get smaller?

Hi there. I am an 18 year old female, and I had a breast reduction about 6 weeks ago. I used to be a 34 DDD/E cup, which was really out of proportion to my body. Everything was covered by insurance. my PS and I spoke briefly about size- i understood that she could not guarantee me an exact size, but I asked to be significantly smaller. She promised somewhere between a B and a C. I got remeasured and I am now a 34DD/D still. I'm really upset. is there any hope that i will become significantly smaller?