A number of causes may account for a<unk> , by far the most common being a tubal pregnancy. Blood may also escape into the peritoneal cavity leading to a hemoperitoneum. A<unk>  can also be associated with endometriosis or tubal carcinoma. Further, if menstrual blood flow is obstructed (cryptomenorrhea), caused for instance by a transverse vaginal septum, and gets backed up it may lead to a<unk> .
Hematosalpinx
Hydrosalpinx
Spermatocele
Hydrocolpos
Pinard horn
Couvelaire uterus
Hematometra
Cystocele