In submitting this contribution for your consideration, its brevity may be urged as a virtue. A great deal has been written concerning the etiology of ectopic gestation, some of which has approached demonstration, more has been speculative, but certainly much has been done toward the solution of many of the attending phenomena.
The function of the ciliated epithelium of the oviducts has been made much of as the chief, if not the sole, motive force in the transportation of the ovum into the uterine cavity. Building on this assumption Tait and others have attempted to show that in the destruction of the cilia by the inflammatory diseases of the oviducts, the function of the tubes is destroyed and the resulting inertia is to be regarded as the prime factor in the production of tubal pregnancy.
According to Lilienthal, Williams and others, the most frequent site of the chorionic attachment
PFAFF OG. INHIBITED TUBAL PERISTALSIS: A CAUSE OF ECTOPIC GESTATION.. JAMA. 1903;XLI(19):1138–1141. doi:10.1001/jama.1903.92490380014001c