Cyclopædia of obstetrics and gynecology . al the body of thewomb, the more likely is hematometra to form. Of course there can beno conception, at all events until a passage is made and maintainedthrough the closed spot. There are but few reported cases where pregnancyensued after the operation for pure hematometra (not hematokolpos withimperforate hymen). Possibly the uterine mucous membrane undergoes 200 DEVELOPMENTAL ANOMALIES OP^ THE UTERUS. such changes from the loug-continued collection of blood, that adherenceof the ovum cannot take place. So that if there occur no bloody effusion into t
Cyclopædia of obstetrics and gynecology . al the body of thewomb, the more likely is hematometra to form. Of course there can beno conception, at all events until a passage is made and maintainedthrough the closed spot. There are but few reported cases where pregnancyensued after the operation for pure hematometra (not hematokolpos withimperforate hymen). Possibly the uterine mucous membrane undergoes 200 DEVELOPMENTAL ANOMALIES OP^ THE UTERUS. such changes from the loug-continued collection of blood, that adherenceof the ovum cannot take place. So that if there occur no bloody effusion into the uterine cavity, tliephenomena will be simply those of a rudimentary uterus. If effusiondoes occur, we have sooner or later all the symptoms of hematometra. In those cases in which the uterus itself is membranous, yet not dis-tended with blood, the diagnosis may be made by the blind-sac ending ofthe vagina, and by rectal examination. Through the anterior rectal wallwe can feel the regularly shaped uterine body, while the characteristic. Fig. 18.—Large Hematometra with Atresia of the Os exteruum; 6, os internum. (After C. Schroder.) a, lower prolongation is entirely absent, or is only indicated by a diffusethickening. If the cervix appears normal externally, and there is atresiaof the canal, the sound will give us information. But it is usually onlywhen hematometra forms that we are called upon to make a will then find the vault of the short vagina closed by a thick, elastic,sometimes faintly fluctuating membrane, and a fluctuating tumor can beperceived per rectum. If the membrane is thick, the vagina is probably also involved; if thehematometra is relatively small, and the membrane relatively thin, thereis probably an atresia of the external os uteri, which may sometimes beseen as a small depression upon the surface of the occluding membrane. ABSENCE AND ATROPHY OF THE CERVIX UTERI. 201 Amussat and Petit have observed an exquisite case in conjuncti
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