蜜芽传媒

Dr Cristina Philippeos from King鈥檚 College London explains how different people鈥檚 skin heals at different rates, and that some people scar more than others but that the unborn baby has this mysterious ability to mend it鈥檚 skin without a trace of a wound.

Image: Illustration of anatomy of a fetus in a womb
Credit: magicmine/Getty Images