Dr. Schenck's theory
of by the mother.html">mother.
Furst believes that the differentiation may occur before, during, and
development of one or another sex.html">sex.html">sex in one and the same woman.html">woman may vary
sex of the embryo before the tenth week of fetal life.html">life. The cause of
state of the health of the parents; in the first instance there being
speaking. He believes that there is an excess of male.html">male.html">male.html">male.html">male children when
investigated one hundred and ninety-three cases carefully in regard to
notable increase of male births over female.html">female in the cases where
to say, where the woman is not so well nourished as later.
Dr. J. Griffith Davis gives as the result of her experiments in this
menstrual period or within forty-eight hours afterward, the child.html">child will
child will be a boy.
Although there are a greater number.html">number of the female than the male sex in
all civilized countries the proportion of male births is greater than
die earlier, and this is seen even before birth, in the proportion of
been regarded by some authors as a misnomer. They are physically
determining the sex of the children. Seniority on the father's side
gives a slight preponderance of females; seniority on the mother's
pass a sedentary life and who exhaust their nervous force to a great
the part of the man diminishes the number of male offspring.
The Influence of the Male Sexual Element on the Female Organism.-- Dr.
inoculation. He believes that the effect is first due to the.
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