Medizinische Wochenschrift," 1916, in which he gives information
regarding the conception of between two and three hundred children
born during the war. He finds that the likelihood of fertilisation
increases from the first day of menstruation, reaching the highest
point six days later, the fertile period remains almost at the same
height till the 12th or 13th day, and then declines gradually until
the 22nd day, after which there is absolute sterility.

This suggests that conception control can be attained without
artificial methods if intercourse is confined to one week in the
month.

Such control of conception, though natural, does not make it any more
desirable to space the births unduly so that the children are brought
up in separate units instead of in a happy family group in which they
can share games and interests--but it does avoid the risks which are
associated with artificial methods of conception control.

It is not proposed to discuss in detail artificial methods in this
pamphlet, because no advice can be wisely given on this subject in a
general way. Those who after careful consideration choose to use
artificial means to prevent child-bearing will be wise if they consult
their medical attendant as to those methods which are least harmful
for their individual case, and ask for careful instruction in their
use.

Most of the methods so widely advertised are productive of diseased
conditions, whether from the nature of the method itself or from the
way in which it is used, and all of those recommended to women
interfere with normal physiological processes. The object aimed at in