As much as it can be tempting to use a body sculpting shaping cream while pregnant, experts advise strongly against it for a number of reasons. The most important one is that most of these fat stores busters use a special type of skin-absorbent stimulant known as methylxanthines (also known as caffeine) to reduce the appearance and visibility of stretch marks and fat rolls. These stimulants have been in the past been marked as not safe for expectant women as they increase the risk of suffering a miscarriage significantly.