Signs of a well-developed baby in mid-pregnancy are usually manifested in the appearance of regular fetal movement, normal obstetric examination, etc. 1. Fetal movement: under normal circumstances, there will be obvious fetal movement around 20 weeks of pregnancy. So if the development of the child is normal in the middle of pregnancy, then the pregnant woman can gradually feel the fetal movement, and after 28 weeks, the fetal movement will gradually become regular. 2. Obstetric examination: generally speaking, the obstetric examination can be more intuitive and clear to find the development of the fetus, under normal circumstances, there is no abnormality in the obstetric examination, it also proves that the development of the child is more normal. Pregnancy needs regular pregnancy checkups, if you feel abnormal fetal movement or other discomfort, then it is recommended to consult a doctor in a timely manner.