The modern method of birth control / by Thurston Scott Welton, M.D., F.A.C.S, editor of The American journal of surgery, clinical professor obstetrics and gynecology, Long Island College of Medicine
Marriage and childbearing -- The egg and the male cell -- Why menstruation? -- Motherhood -- How to apply the modern method of birth control -- Charts of normal and irregular menstrual cycles -- Summary -- Menstrual calendar -- Personal diary
Notes
"The Calendar-wheel for finding fertile and sterile dates" in pocket
