Breast implants and pregnancy

After having two children and nursing for a total of 20 months between them, I decided to get breast implants five years ago. I am now pregnant with my third child and my breast are stinging and growing and killing me. I am 9wks. Has anyone else went through pregnancy and or nursing with breast implants. I need some advice before I go insane. I've already grown out of my old bras in the past month! Ouuuuch!