transplant during flowering?

I am now in the second week of flowering and have 6 girls (6 of 6!). 5 of them are pretty healthy, but the 6th is not. It is durban poison and is in a 8in high pot which is pretty big. I topped it about 4 places and it bushed out like crazy. I've tryed to get her healthy but I think it definetely out grew its container so now I am transplanting to a larger pot. Has anyone tryed this before when they were already into flowering? There is barely flower development on her at this point. Also I will note that it has been very purple on the top sides of the petiole or stem. Any thoughts anyone?

i just transplanted a sativa after it had been flowering over a month
didnt seem to hurt her any,as a matter of fact it is out growing my growroom.
give her a big pot some fert and lots of water,stand back and watch her grow.
toke on

transplanting is perfectly fine during flower, just try not to stress the plant too much, cause then theres a possiblity of the plant turning hermaphrodite. Be as careful as u can, try not to rip any roots, keep the soil very moist for the first couple of days. It will take ur plant a day or two to recover from the transplant, and from there it will shoot like crazy. Good luck with the transplant.

thanx alot you guys, took the stress off me!