A system of midwifery . eat atCorpus luteum at the end of the ninth least, and very often of much greatermonth. From Dr. Montgomery. dimensions: this cavity is surroundedby a strong white cyst, (the inner coat of the Graafian vesicle,) and asgestation proceeds, the opposite parts of this approximate, and at lengthclose together, by which the cavity is completely obliterated, and in itsplace there remains an irregular white line, whose form is best expressed bycalling it radiated or stelliform.* Dr. Montgomery adds, I am unableto state exactly at what period the central cavity disappears, or cl
A system of midwifery . eat atCorpus luteum at the end of the ninth least, and very often of much greatermonth. From Dr. Montgomery. dimensions: this cavity is surroundedby a strong white cyst, (the inner coat of the Graafian vesicle,) and asgestation proceeds, the opposite parts of this approximate, and at lengthclose together, by which the cavity is completely obliterated, and in itsplace there remains an irregular white line, whose form is best expressed bycalling it radiated or stelliform.* Dr. Montgomery adds, I am unableto state exactly at what period the central cavity disappears, or closes upto form the stellated line. I think I have invariably found it existing upto the end of the fourth month. I have one specimen in which it wasclosed in the fifth month, and another in which it was open in the sixth:later than this I never found it. When pregnancy is over, the corpus luteum gradually diminishes and ^ An Exposition of the Signs and Symptoms of Pregnancy, &c.: by W. F. Montgo-mery, M. D., p. 28 FEMALE ORGANS OF GENERATION. • disappears. Dr. Montgomery states that the exact period of its totaldisappearance I am unable to state, but I have found it distinctly visibleso late as at the end of five months after delivery at the full time, but notbeyond this period. Hence it will be seen that in a few months afterthe termination of pregnancy, all traces of the corpus luteum are lost, andthat, therefore, it will be impossible to decide as to how frequently im-pregnation has taken place, merely by examining the ovaries, as has beensupposed. There is also another point to which Dr. Montgomery hasalluded, which is well worthy of notice: in mentioning the fact that avesicle may contain two ova, and thus a w^oman be delivered of twins,and yet there be but one corpus luteum, he observes that the presenceof a corpus luteum does not prove that a woman has borne a child,although it would be a decided proof that she has been impregnated, andhad conceived, because it i
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