The fallopian tube not only looks like a culvert for irrigation, but also functions like a bridge. The Chinese culture is full of pejorative meanings, but it seems better to take the attitude of “tearing down the bridge by crossing the river” when dealing with the fallopian tubes. The human body has two fallopian tubes. The proximal end of the fallopian tube is attached to the uterine horn and contains a section that connects to the uterine cavity, a “tunnel” within the muscle of the uterine horn known as the interstitial tubule. The other end resembles an umbrella over the respective ovaries, somewhat like a suspension pull bridge. However, these structures at the umbrella end of the fallopian tubes, which hang above the ovaries, are not directly connected to the ovaries, but simply watch closely the ovaries’ every move. Once the ovary has ovulated, this umbrella grabs the mature egg cells and puts them into its own sack (inside the fallopian tube). If there happens to be sperm in the fallopian tube, then the creation of a human being is mostly successful. That’s all the fallopian tubes do in the human body. They have no other function than to create a human being. This is why many people have their tubes tied during family planning, and there is no problem. If the fallopian tubes have been inflamed and the lumen is narrowed, the fertilized egg cannot pass through the narrowed tubes after inflammation and stays in the fallopian tubes (beds), where it develops and grows, which is called ectopic pregnancy. This is a very dangerous condition that requires medical attention. It is sometimes very dangerous, so dangerous that it can be life-threatening. After the fertility task is completed, the fallopian tube becomes a real bully. First, in acute endometritis, the fallopian tubes are almost always affected, creating acute tubal inflammation or even tubo-ovarian inflammation. If the treatment is not timely, many people will form fluid or even abscesses in the fallopian tubes or form adhesions with the surrounding organ tissues after the inflammation subsides, leading to long-term lower abdominal pain. This disease is not big or small. Most of the patients are ineffective in conservative treatment, and surgical treatment, it seems, is not indicated. Especially in the case of adhesions, even if surgery is performed, new adhesions may be formed after surgery, which will not solve the problem. If you have children, it is better to remove the inflamed tubes. If you don’t have children, it is sometimes a lot of work to deal with it. In addition to inflammation, the fallopian tubes are also an organ that produces cancer, which is not only highly prevalent, but also grafted on to others. Fallopian tube cancer was previously found to be rare, accounting for only 3% of female reproductive tract tumors. This is actually a misconception. It is because after the cells at the umbilical end of the fallopian tube become malignant, they rarely grow cancer on the fallopian tube, but shed to the ovary and then grow out from the ovary to form ovarian (epithelial) cancer; or shed to the abdominal cavity to form primary peritoneal cancer. The incidence of so-called ovarian cancer (mainly ovarian epithelial cancer) is only the third most common malignant tumor of the female reproductive tract, but most of them are at advanced stages when diagnosed, and most of them are treated in hospitals without ovarian cancer teams, so the 5-year survival rate is very low. In China, the 5-year survival rate for early stage advanced ovarian cancer is only 37%. This figure is expected to continue as our healthcare system is already in place. In ovarian cancer, about 10-20% of patients are hereditary, as in breast cancer. Hereditary here does not mean that the cancer itself is inherited, but that the cancer-causing genes in these patients are passed from mother to daughter. The previous confusion about the relationship between ovarian epithelial cancer and the belief that removal of the ovaries would prevent the development of ovarian cancer really wronged the ovaries. Theoretically, the best prevention method for high-risk patients is to remove the umbilical end of the fallopian tube. Since the onset of ovarian epithelial cancer is usually above the age of 40, the fallopian tubes in this group are recommended to be removed when they are not needed for reproductive function. However, there is no academic data to support this issue, only theoretical necessity. The function of the fallopian tubes is to catch eggs and transport sperm and fertilized eggs. That’s all it can do, and it has been mimicked by humans in the laboratory (IVF). Therefore, preventive removal of both fallopian tubes is recommended for women who no longer need to have children, especially if they are at high risk, if they have the opportunity to have surgery. Some girls who have had a tubal pregnancy have to fight to protect this tube. In fact, even if the tubes are preserved after an ectopic pregnancy, it is not very meaningful for the next pregnancy. It has been documented that once you have a tubal pregnancy, you are 6-12 times more likely to have another tubal pregnancy than a normal person. It is not really the fallopian tubes that are protected, but the possibility of getting it again. Does it mean that a girl who has had a tubal pregnancy cannot be a mother? The answer is no. Even if one of the fallopian tubes is removed, there is still a fallopian tube in the body. However, inflammation of the fallopian tubes often occurs on both sides at the same time, and there is a risk of ectopic pregnancy in the next pregnancy. A comparative study found that in women with tubal pregnancy, there was no statistical difference in the chance of another pregnancy between the two groups when comparing patients who had their tubes removed with those who had their tubes preserved. Therefore, from the point of view of protecting yourself from another ectopic pregnancy and ovarian cancer, removal is really necessary. Even if both fallopian tubes are destroyed, it is still possible to have a child with the help of modern assisted reproduction techniques.