After BBL Doesn't the Very Tight Compression Garment Add Unwanted Pressure to Fat Cells?

Your prior hip replacement scar is not a contraindication for surgery and in many cases will make your scar of a better quality. It will also not prevent you or cause complications when your prostheses need to be replace.  

Brazilian Butt Lift recovery time is dependent on how the patient’s body reacts to the procedure. Patients usually return to work after a week but you should not sit without the use of cushions for at least two weeks and you must wear a compression garment for several weeks after the procedure. ...

I think you are progressing quite normally after this surgery. The soreness will improve and you are NOT killing your fat cells by siting at this stage. There is a normal amount if absorption that will happen regardless

Although guidelines vary from surgeon to surgeon, I usually recommend that patients wait about 6 months after they have finished breast feeding before consulting for surgery. Depending on the patient, it may be up to one year after birth before the individual is able to move forward with a...

As your pilonidal cyst was removed 8 years ago and there has not been a recurrence or the cyst or evidence of an infection, I see no problem in undergoing a Brazilian Butt Lift. In fact I think it would improve the area. I have used fat transfer procedures in areas of post surgery deformity...