Answer:
Family planning. Before the introduction of birth control men experienced unplanned preg- pills, many young wo nancies. A 1954 study of 1438 pregnant women examined the association with the women's education levels producing these data Education Level <3 yr HS 3 + yr HS Some college 239 42.7% 591 66.2% 608 55.4% Number of pregnancies % unplanned Do these data provide evidence of an association between family planning and education level? (Fertility Planning and Fertility Rates Psychological Factors Affecting Fertility, 1954) by Socio-Economic Status, Social and