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Article
November 28, 1908

ABLATIO PLACENTÆ.PREMATURE DETACHMENT OF THE NORMALLY SITUATED PLACENTA.

JAMA. 1908;LI(22):1845-1849. doi:10.1001/jama.1908.25410220017002d
Abstract

SYNONYMS.  Accidental Hemorrhage (Rigby, 1776), Premature Detachment of the Normally Situated Placenta, Ablatio Placentæ—Placenta Ablata (Holmes, 1901).

DEFINITION.  Ablatio placentæ is the separation, partial or complete, of the placenta from the upper uterine segment during pregnancy, or during labor before the completion of the second stage, due to some pathologic state of the uteroplacental union or violence done the organism.

FREQUENCY.  In spite of the close statistical study of obstetric complications in general, the subject of ablatio placentæ has been greatly neglected or ignored by obstetricians. In some clinics the condition has not been recognized; in others it is held to be of such rare occurrence that an example has not been observed in an enormous clinical experience; while in others it is not of very unusual occurrence. The wide disparity found in studying different hospital reports suggests that the discrepancies are due to faulty interpretation of symptoms or incorrect

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