The reasons for fallopian tube blockage are many, such as congenital fallopian tube blockage, secondary fallopian tube blockage, and fallopian tube hydrosalpinx. Many female fallopian tube issues lie here, acting as obstacles on the natural path to conception for women.
The appearance of the fallopian tubes resembles a tube from the outside, but inside, you can see a layer of tiny cilia. With the help of muscle contractions, these cilia can help transport the fertilized egg to the uterus. At the same time, they can prevent retrograde menstrual flow and the entry of uterine bacteria into the fallopian tubes.
Ectopic pregnancy refers to the implantation of the fertilized egg outside the uterus, and sometimes the fallopian tube needs to be removed. People who have had ectopic pregnancies should assess the patency of their fallopian tubes before attempting to conceive again.
Fallopian tube blockages, adhesions, and hydrosalpinx can all affect a woman’s ability to conceive naturally and are often a primary cause of ectopic pregnancies.
Early symptoms of an ectopic pregnancy may manifest as follows.
1. Amenorrhea: Most affected individuals experience a brief history of amenorrhea before onset, typically around 6 weeks. However, some patients may have difficulty maintaining endometrium due to the production of chorionic gonadotropin by trophoblastic tissue. If the condition occurs early, pathological bleeding may be mistaken for menstruation, leading to the belief that there was no history of amenorrhea.
2. Abdominal pain: The main symptom of tubal pregnancy, with a high incidence rate. Sudden paroxysmal pain is commonly felt on one side of the lower abdomen, accompanied by nausea and vomiting. Stimulation of the diaphragm can cause referred pain in the scapular region. Fluid accumulation in the pelvic cavity may cause rectal pressure and a sensation of defecation, possibly indicating an ectopic pregnancy.
However, in vitro fertilization does not require the involvement of the fallopian tubes.
