On Displacement of the Placenta in Extra-Uterine Gestation, and Its Relation to Those Cases Ending in Pelvic Abscess

One of the most frequent terminations of an advanced extrauterine gestation is its discharge like a pelvic abscess. Authors such as Parry speak of the suppuration of the sac, but this is too general a term, and leads one to suppose that any extra-uterine sac may suppurate; whereas, as a matter of fact, I hope to show that a certain definite case is most likely to do so. Many authors hold that the peritoneum is the placental site in advanced extra-uterine gestation; indeed, Matthews Duncan says,