Is J-Plasma necessary to get a good result? (Photo)

I'm going to have 360 lipo and bbl to fill in hip dips. J Plasma is offered but is this necessary in my case to get a good result? With this i mean no backfolds and flat abdomen. I also want to have children in the future. J Plasma makes the skin more tightened during pregnancy the skin will expand, i was wondering if it will leave more stretch marks after pregnancy. Also if i would need a tummy tuck in the future after pregnancy, is this more risky if you had J Plasma because of more scarr