Do I have to wait 3 months to sit after a Brazilian Butt Lift?

Okay I get my surgery on may 2nd but today may 19th I call my doctor assistant and she said I CAN'T sit for 3 months , I have tell her everybody said 2-3 weeks and she said that's only if I need it and with a baby or donuts pillow , OMG ... she said I will ruin my butt if I sit on it :-(



