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Article
May 13, 1911

An Observation Bearing on the Causation of Sex

Author Affiliations

Spokane, Wash.

JAMA. 1911;LVI(19):1411. doi:10.1001/jama.1911.02560190039021

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Abstract

To the Editor:  —I noticed in The Journal (April 22, 1911. p. 1228) an abstract of a paper by W. W. Kain, "Can the Sex of the Family be Controlled at Will by the Parents?" Kain is said to agree with E. R. Dawson that the supplying ovary is in reality the essential factor in the causation of sex, the right ovary producing the male and the left ovary the female. I believe that a study of the chromosomes with their adjunct sex chromosomes, etc., will dispel any such notions. But that is too big a subject for this letter. I wish at this time only to report a case that came under my observation last October. A girl married at the age of 14; at the age of 15 she gave birth to a boy, and at 17 to a girl, following which she had three miscarriages produced by

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