It is not uncommon for some women to experience a decrease in belly size during pregnancy, especially around the 32-week mark. There can be several reasons for this phenomenon. One possible explanation is the baby's position in the womb. If the baby has shifted downward or into a posterior position, it can make your belly appear smaller. Additionally, as you near your due date, your baby may start descending into the pelvis in preparation for birth, which can also contribute to a decrease in belly size. However, if you are concerned about the sudden decrease or if it is accompanied by other symptoms such as reduced fetal movement or pain, it's important to consult with your healthcare provider to rule out any potential complications. They will be able to assess your situation and provide appropriate guidance based on your individual circumstances.