Appreciation of fetal pictures at six months of pregnancy: The development of the fetus in the mother\’s body Six months of pregnancy, the fetus has entered a stage of rapid development. Over the past few months, the fetus has grown from a tiny fertilized egg into a visible life. Now, the fetus has most of its basic organs and tissues, and its body is beginning to take shape. Below, we will take a look at the development of the six-month-old fetus from four aspects. The body takes shape at six months of pregnancy,