Congratulations on having undergone the tummy tuck surgery. Your plastic surgeon will always be your best resource when it comes to specific postoperative care instruction/advice. Generally speaking, patients need to be very careful about the direct application of heat (or ice) over surgical...
The only one that will answer your question is you. If you are planning to have more babies soon, then you should wait to until you finish giving birth.If you are not having any more babies soon then i don't see why you should keep the figure you have just because you are not 18 years Old....
I'm sure there are excellent Plastic Surgeons near you. A full TT and liposuction would be recommended for the body proportions observed in your photo. But since you plan to lose an additional significant amount of weight,wait until you have achieved that goal, have a hands on visit with...