What is the most common site for ectopic pregnancy?

The most common site for ectopic pregnancy is the fallopian tube. This occurs because the fallopian tubes are the passageways through which the egg travels from the ovary to the uterus. If a fertilized egg implants in the fallopian tube instead of the uterine lining, it results in an ectopic pregnancy. This situation can lead to serious complications, as the fallopian tube is not designed to accommodate a growing embryo, which can cause the tube to rupture.

Ectopic pregnancies can occur at other sites, such as the ovary or within the pelvic cavity, but these locations are significantly less frequent compared to the fallopian tube. The uterus is the typical site for a pregnancy, so it does not qualify as a site for an ectopic pregnancy. Understanding the anatomy and the typical pathways of the reproductive system helps clarify why fallopian tubes are the primary location for ectopic implants.