An<unk>  is an abnormal<unk>  that occurs outside the womb (uterus). The baby (fetus) cannot survive, and often does not develop at all in this type of<unk> .
Ectopic pregnancy
Ovarian torsion
Ovarian cyst
Endometritis
Fallopian tube cancer
Epithelial ovarian tumors
Salpingitis
Endometriosis