Fallopian tubes are an important part of the female reproductive system. They connect the ovaries to the uterus. Therefore, any blockage in the fallopian tubes can upset the normal functioning of the female reproductive system. The fallopian tubes are responsible for delivering the ovarian egg (ova) to the uterus during pregnancy. Therefore blocked fallopian tubes can cause infertility. Such type of infertility is the cause of 20% infertility in women and is known ad tubal infertility.