A textbook of obstetrics . ;6 PREGNANCY. impossible. On the other hand, it is claimed1 that if the ovuleescapes from the ovary at the beginning of the menstrual flow,and if the fruitful coition occurs only some days after menstruationhas ceased, as is common at least among civilized people, the timethat intervenes between the rupture of the Graafian follicle andthe deposition of semen in the female genital tract has been toogreat to lend probability to the idea that the ovule still remainsin the ovarian extremity of the oviduct, but, on the contrary,would insure its presence in the uterine cav
A textbook of obstetrics . ;6 PREGNANCY. impossible. On the other hand, it is claimed1 that if the ovuleescapes from the ovary at the beginning of the menstrual flow,and if the fruitful coition occurs only some days after menstruationhas ceased, as is common at least among civilized people, the timethat intervenes between the rupture of the Graafian follicle andthe deposition of semen in the female genital tract has been toogreat to lend probability to the idea that the ovule still remainsin the ovarian extremity of the oviduct, but, on the contrary,would insure its presence in the uterine cavity. It is assertedthat the rhythmical contraction of the muscles in the tubal wallswhich tend to drive the exuded menstrual blood, as well as theovule, toward the uterus would offer an additional barrier to theascent of the spermatozoids. This argument is invalidated,however, by the occasional occurrence of extra-uterine preg-nane}. There has been great difference of opinion in the past as tothe manner in which the ovule
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics
