[11] Debreyne, _Moechialogie_, p. 277. And from the Protestant side see Northcote (_Christianity and Sex Problems_, Ch. IX), who permits sexual intercourse during pregnancy. [12] See Appendix A to the third volume of these _Studies_; also Ploss and Bartels, loc. cit. [13] Thus one lady writes: "I have only had one child, but I may say that during pregnancy the desire for union was much stronger, for the whole time, than at any other period." Bouchacourt (_La Grossesse_, pp. 180-183) states that, as a rule, sexual desire is not diminished by pregnancy, and is occasionally increased. [14] This "inconvenience" remains to-day a stumbling-block with many excellent authorities. "Except when there is a tendency to miscarriage," says Kossmann (Senator and Kaminer, _Health and Disease in Relation to Marriage_, vol. i, p. 257), "we must be very guarded in ordering abstinence from intercourse during pregnancy," and Ballantyne (_The Foetus_, p. 475) cautiously remarks that the question is difficult to decide. Forel also (_Die Sexuelle Frage_, fourth edition, p. 81), who is not prepared to advocate complete sexual abstinence during a normal pregnancy, admits that it is a rather difficult question. [15] This point is discussed, for instance, by Séropian in a Paris Thesis (_Fréquence comparée des Causes de l'Accouchement Prémature_, 1907); he concludes that coitus during pregnancy is a more frequent cause of premature confinement than is commonly supposed, especially in primiparæ, and markedly so by the ninth month. [16] "Infantile Mortality: The Huddersfield Scheme," _British Medical Journal_, Dec., 1907; Samson Moore, "Infant Mortality," ib., August 29, 1908. [17] Ellen Key has admirably dealt with proposals of this kind (as put forth by C.P. Stetson) in her Essays "On Love and Marriage." In opposition to such proposals Ellen Key suggests that such women as have been properly trained for maternal duties and are unable entirely to support themselves while exercising them should be subsidized by the State during the child's first three years of life. It may be added that in Leipzig the plan of subsidizing mothers who (under proper medical and other supervision) suckle their infants has already been introduced. CHAPTER II. SEXUAL EDUCATION.