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Frances I. Seymour, M.D.
JAMA. 1936;106(20):1728. doi:10.1001/jama.1936.92770200003012a.
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This is the report of an interesting observation that I made on the viability of a specimen of semen obtained from a donor and introduced into the cervical canal of five different patients on the same day by means of a cannula.

It is interesting because a great deal of work has been done on the pH of cervical secretions, and the variation of the pH in the cervical canal. I refer to cases other than those infected with such conditions as gonorrhea, confining my reference to these five cases presenting normal healthy cervices.

Dec. 10, 1935, five patients were artificially inseminated from one donor. The semen was deposited by a cannula against the internal os. The uterus was not entered and very little pressure was used during insertion so as to avoid any forcible opening of the internal os. In cases 1 and 2 there were large cervical plugs of


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