This paper calls attention to rapidly increased use of vertical uterine incision and future consequences: impaired uterus, uterine rupture, and iatrogenic premature delivery. In addition, by making a vertical uterine incision we are not gaining much in the size of uterine entrance since the size of the vertical uterine incision is determined by uterine tonus. Most often the uterus is opened by tearing the lower uterine segment transversely with the fingers. Unfortunately this creates the smallest entrance to the uterus because of the uterine structure, shape, and elasticity and could lead to parametrial vein and uterine vessel injury. An alternative to this type of incision is the durable upward curved transverse incision over the supportive lower uterine segment. This technique gives us the biggest entrance to the uterus, without serious side effects, and ensures safe future pregnancies.