Summary: The biggest wish of every pregnant mother is to look forward to the smooth delivery of her baby. Although pregnant mothers know that natural delivery is more beneficial to the fetus, in order to avoid dystocia during delivery, they still choose cesarean section. Dystocia refers to the failure of the fetus to be born smoothly due to various reasons during delivery. This situation not only endangers the physical and mental health of pregnant women, but also threatens the life safety of the fetus. As the due date approaches, many couples worry about this issue. So, what are the causes of dystocia? 1. Three factors that determine a smooth delivery. To understand the causes of dystocia, you must first understand the entire process of delivery.