Miss Li Qianhong, an underwear expert, teaches expectant mothers how to use functional underwear KEEP staying in shape. "Prenatal keep ‧ postpartum repair" is the whole concept of "pregnant mommy", pregnant women during pregnancy, the body shape will change, especially the chest, waist and abdomen, if the pregnant women can change the appropriate underwear according to body shape changes during pregnancy, so that go to keep the body shape, can help the natural slimming after childbirth easier.