What causes fallopian tube obstruction?

Under normal circumstances, a woman has only one uterus and two fallopian tubes, located on the left and right sides of the uterus. Generally speaking, if only one side of the fallopian tube is blocked and there is no problem on the other side, pregnancy will naturally not be affected. Clinically, some women are unable to conceive, most likely because both sides of the fallopian tubes are blocked at the same time. So, what causes fallopian tube obstruction?

There may be many reasons for fallopian tube obstruction, and different patients need to choose appropriate treatment methods according to their own conditions. Therefore, understanding the causes of fallopian tube blockage can help you choose the most suitable treatment method, conduct targeted treatment, and recover quickly from your disease.

1. Gynecological inflammation. Chronic pelvic inflammatory disease can often lead to partial or complete closure of the end of the fallopian tube that receives the egg, or cause adhesions in the inner mucosa of the fallopian tube, causing the lumen to narrow or close. If the inflammation is severe, it can cause the fallopian tube to lose its soft and peristaltic physiological properties, become stiff and twisted, and completely block the lumen, eventually causing the woman to lose her fertility. Salpingitis can cause adhesions in the narrowest part and fimbria of the fallopian tube, resulting in stenosis or complete closure of the lumen, leading to infertility.

2. Appendiceal perforation. Women with a history of appendectomy have an increased chance of developing fallopian tube damage. This is because the distance between the appendix and the fallopian tube is very close, so the infection at the appendix can easily spread to the fallopian tube, causing inflammation of the fallopian tube, and eventually adhesion and blockage, leading to infertility.

3. Pelvic adhesion. This condition usually covers the ovaries and the ends of the fallopian tubes, or it may adhere the fallopian tubes to other tissues. Especially for women who have undergone pelvic surgery, most of them will have adhesion problems.

4. Infection caused by miscarriage. Miscarriage can also lead to inflammation of the reproductive organs, which may leave scar tissue in the fallopian tubes, thereby blocking or damaging the inside of the tubes.