Natural family planning.
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A contraceptive study of rural Bangladeshi women indicated that the previous death of children, number of living children, desire for additional children and son preference were important determinants of contraceptive continuation. The importance of these factors varies to some extent with use of different contraceptive methods.
The proportion of U.S. women who used a contraceptive method at their first premarital intercourse rose from 47 percent in 1975-1979 to 65 percent in 1983-1988. Overall, and among non-Hispanic white women, this change resulted entirely from an increase in the use of condoms by their partners. The proportion of whites who used a condom at first premarital intercourse, for example, increased from 24 percent to 45 percent. Among blacks, condom use at first intercourse increased from 24 percent to 32 percent during that period, and pill use rose from 15 percent to 23 percent. Among all women, the method most often used at first intercourse during every period in the study was the condom, followed by the pill and withdrawal. The proportion of women using a method at first premarital intercourse varies strikingly according to individual characteristics. Among the various demographic subgroups, the proportion who use a method varies from 32 percent of Hispanic women to 68 percent of Jewish women. Whites are more likely to use a method than are blacks, and fundamentalist Prostestants are less likely to use a method than are other Protestants or Catholics. The proportion using a method is higher among women whose mothers completed high school than among those whose mothers did not. In addition, the proportion rises with age at first intercourse. Multiple logistic regression showed that the independent effects of Hispanic origin, Jewish or fundamentalist Protestant religious affiliation and the education of a woman's mother are large and significant.(ABSTRACT TRUNCATED AT 250 WORDS)
The Changing African Family Project was begun in 1973 as a cooperative venture of the Sociology Department of the University of Ibadan and the Demography Department of the Australian National University, with research institutes and individual researchers in 11 representative countries of Africa, to investigate the preconditions for fertility decline. This paper reports initial initial findings from the large Nigerian segment of the project, which was used as a laboratory, and presents technical information about the surveys, as well as findings on economic supports for high fertility, factors affecting fertility, the role of sexual abstinence in determining fertility levels, the increase in contraception and its relation to family size limitation, and the incidence and nature of achieved small families. Information is also provided on the projects in Cameroon, the Congo (Brazzaville), Ghana, and the Sudan.
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From 1983 to 1988, natural family planning programs were conducted in Liberia and Zambia. In Liberia 1055 and in Zambia 2709 women used natural family planning to avoid pregnancy. These users could become pregnant, discontinue use of the method, or become autonomous users. Women who changed intention did not stop use of natural family planning and were not treated as discontinuations. In a multivariate analysis, client's age, breastfeeding status, employment, urban/rural residence, time of registration in the program, and visit intensity were significantly associated with the outcomes. The most consistent association was that women who entered the programs in the later time periods were more likely to become autonomous users and less likely to discontinue use of the method or to experience an accidental pregnancy.
Couple-years protection is a summary index of contraceptive protection. Couple-years protection allows comparisons of natural family planning with other methods. One couple-year protection for condoms is equal to 1 couple-year protection for pills and 1 couple-year protection for natural family planning. Critical in the calculation of couple-year protection for natural family planning is average duration of use. A working group on natural family planning recommended that 2 years of use be used as average duration until more data are available.
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