Ectopic pregnancy is commonly referred to as such, but it is actually called extrauterine pregnancy. Extrauterine pregnancy refers to the implantation of a fertilized egg outside the uterine cavity, including cervical pregnancy, broad ligament pregnancy, ovarian pregnancy, abdominal pregnancy, and tubal pregnancy, with tubal pregnancy being the most common clinically. The causes of ectopic pregnancy include the recent increase in cesarean section rates, leading to more scar pregnancies, which are also a type of extrauterine pregnancy. Furthermore, abnormalities like uterine malformations also belong to extrauterine pregnancies. Clinically, the most common type is tubal pregnancy, mainly caused by inflammation of the fallopian tubes. Other factors include previous tubal surgeries or history of tubal pregnancy, congenital malformations, and abnormal function of the fallopian tubes. Additionally, the use of assisted reproductive technologies has also increased the chances of extrauterine pregnancies.