During labor, what is the likely effect of fetal descent on the bladder?

Fetal descent during labor typically results in the bladder ascending. As the fetus moves down the birth canal, it exerts pressure on the surrounding pelvic structures, including the bladder. This pressure can cause the bladder to be displaced upward. As the presenting part of the fetus descends, it pushes against the pelvic floor and can also affect the orientation of other pelvic organs, including the bladder. Furthermore, the pressure from the fetal head can lead to changes in the shape and position of the bladder, contributing to this upward movement. Understanding this aspect is essential for assessing the potential impact on maternal urinary function and the overall comfort of the laboring person.