Do you think that a mini tummy tuck with a breast augmentation will be able to improve my body after pregnancy?

A mini tummy tuck may be reasonable.  I frequently use the breast fat transfer along with breast implants to achieve upper pole fullness and larger breast size.

The technique I would recommend is The Bellesoma Method.  This will reshape your breast tissue creating upper pole fullness without implants, elevate them higher on the chest wall and more medial to increase your cleavage.  Vertical scars are avoided, nipple sensation and the ability to breast feed are maintained.  At the same time, if you are not planning future pregnancies, I recommend abdominoplasty with mesh reinforcement.  The mesh creates a more hourglass figure by compressing the abdominal wall resulting in early satiety and helps maintain a reduced weight.  At the same time, fat can be transferred to your breasts if additional volume is desired.Best Wishes,Gary Horndeski, M.D.