A system of obstetrics . vity persists in situ. This con-dition is variously known as par-tial retroflexion or retroflexionin the second half of cervix is found close behind or above the symphysis, the postero-inferior portion of the uterus is wedged into the cul-de-sac of Douglas,between the cervix and the promontory, by the presenting part, usu-ally the head, while the greater portion of the uterus and of the foetusis contained within the abdominal cavity above the inlet. A perfectly distinct morbid state of the uterus which closely sim-ulates in certain symptoms partial retrof
A system of obstetrics . vity persists in situ. This con-dition is variously known as par-tial retroflexion or retroflexionin the second half of cervix is found close behind or above the symphysis, the postero-inferior portion of the uterus is wedged into the cul-de-sac of Douglas,between the cervix and the promontory, by the presenting part, usu-ally the head, while the greater portion of the uterus and of the foetusis contained within the abdominal cavity above the inlet. A perfectly distinct morbid state of the uterus which closely sim-ulates in certain symptoms partial retroflexion is occasionally observedduring the last two months of pregnancy, and lias received from AVigandthe appellation of sacciform dilatation of the posterior uterine l regards this condition as an error of form rather than as adisplacement, and as caused by the descent of the postero-inferiorportion of the lower uterine segment into the fossa of Douglas under 1 Lehrb. d. Geburlthiiljc, Bd. ii. p. 38, Diagram of Partial Retroflexion (Oldham). 464 THE PATHOLOGY OF PREGNANCY. the pressure of the presenting part. It is observed, according to thisauthor, especially in cases of pendulous abdomen when the inclinationof the pelvis is relatively slight. The over-weight of the childs pelvisand trunk, protruding forward beyond the normal plane, directs thehead toward the hollow of the sacrum, and drives the relaxed uterineparenchyma downward and backward before the presenting refers sacciform dilatation of the posterior uterine wall tocertain morbid states acquired before or during pregnancy, of whichflexions in general and anteflexions in particular are the more posterior uterine wall undergoes a higher degree of evolution thanthe anterior, because its tissues are more nearly normal and because itis more distended. Little by little, the postero-inferior portion of thelower uterine segment descends into the pelvic cavity, while the anterior
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectobstetrics, bookyear1
