During pregnancy, every woman's body goes through changes, and it's normal for the size of the stomach to vary. However, if you are concerned about your stomach not showing any improvement at 5 months pregnant, there could be a few possible reasons for this. Firstly, every woman's body is unique, and some may show a more prominent baby bump earlier than others. It is also possible that your baby might be positioned in a way that doesn't cause much outward growth or that your abdominal muscles are strong and tight, which can prevent significant expansion of the belly. Additionally, factors such as your pre-pregnancy weight and overall health can play a role in how your belly looks during pregnancy. If you have any concerns or doubts about the development of your baby or your own health, it is always best to consult with your healthcare provider who can provide personalized advice based on your specific situation.