Causes of blocked fallopian tubes?

Fallopian tubes may get blocked due to any of the reasons given below-

1)            Infection in the pelvis in past

2)            Burst appendix

3)            Abdominal surgery in past

4)            Endometriosis

5)            Sexually transmitted diseases such as gonorrhea or chlamydia.

6)            Any inflammation or swelling at the end of the tubes.

7)            Ectopic pregnancy

8)            Abortion

9)            Miscarriage

10)          Uterine infection

These are the main reasons for causing infertility in females by blocking the tubes.