moms in drug rehab and their children are being raised by grandparents.

I'm a mom of 4 children and I'm in drug rehab right now and most of my children life they wre raised by my parents until I decided to get my life together, this is my second drug rehab center and I know that this is what need to do today and that is to et my children in my care because I feel I'm ready to raise my children and do the best I can. I woul like to get some feedback on this issue,and if it's any other moms in this similar situation leave me feedback also.