Detailed explanation of fetal development standard comparison chart at 40 weeks of pregnancy 40 weeks of pregnancy is a very important time point. At this time, the baby has matured and can be safely born. At this stage, expectant mothers can understand their baby\’s development by comparing it with the fetal development standard chart. Next, we will elaborate on this from 4 aspects. Physical Development At 40 weeks of pregnancy, your baby’s body is ready