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A comparison of methods to interpret the basal body temperature graph.

Specific criteria are given for several methods of determining the basal body temperature shift. The specific criteria selected have been coded for a uniform interpretation by computer, and interpretations have been compared for 8496 charts. Our results indicate that the method that defines the temperature shift as 0.3 degrees F or more above the running low average for at least 3 consecutive days provides the best concurrent chart interpretation method. A method that creates a smoothed curve that transects the average of all temperatures on a completed graph provides a good retrospective method for identifying the temperature shift. Both the temperature averaging technique and curve smoothing technique identified a temperature shift in more than 95% of the charts with complete temperature readings.

Adolescent↗

The value and use of different contraceptive methods.

Reductions in the rates of maternal and child mortality as well as in demographic growth are directly linked to contraceptive usage. The development and availability of safer, improved contraceptives which are convenient to use could be expected to be used by a larger group of individuals and thus make an impact on reproductive health as well as on population growth rates. Such arguments have been used to support contraceptive research. This article deals with some of the developments that have occurred as a consequence of such efforts.

Contraception↗

Coitus-dependent family planning methods: observations from Bangladesh.

Some coitus-dependent methods of family planning, such as withdrawal, periodic abstinence, and the condom, require male involvement for their use, and using these methods in combination has proved to be sensible. An investigation of why male and female respondents in a survey conducted in Bangladesh often gave conflicting answers about which methods they were currently using, particularly about "traditional" methods and condoms, showed that inconsistency in their reports arose because these methods are used in combination to such an extent that they are difficult to distinguish. In order to obtain reliable responses about these methods, a survey approach different from the long-established one is required.

Adult↗

A study of the vaginal contraceptive sponge used with and without the fertility awareness method.

The actual effectiveness rates of natural and barrier methods of family planning are lower than the theoretical ones. If couples accurately defined the limits of the fertile phase and used barriers at that time, then actual effectiveness might increase. A randomized, controlled clinical trial was initiated to determine the effectiveness of the contraceptive sponge used only during the fertile time and to compare this with sponge use at every intercourse. Recruitment problems and discontinuation forced the early termination of this study, but qualitative information about compliance and acceptability was collected. Common sponge problems were reported as were misuses of the sponge, but problems and misuse were not related. Determination of the fertile phase was reportedly easy, but complaints of and discontinuation for inconvenience occurred. For unplanned pregnancies, contraceptive behaviors around the time of conception are presented.

Adolescent↗

Contraceptive application of the Bioself fertility indicator.

The Bioself fertility indicator is a hand-held electronic device that combines the basal body temperature and calendar methods for planning or preventing pregnancy. A study was undertaken in three centers in the province of Québec, Canada, to evaluate the Bioself device as a contraceptive aid. Eighty-three women were recruited; they accumulated 745 cycles of use. Six unplanned pregnancies occurred from unprotected intercourse during the fertile phase of the cycle, as indicated by the Bioself device. The pregnancy rate was 9.02 per 100 women-years and the one-year discontinuation rate was 32.5%. The low pregnancy rate is attributed to the women's experience in natural family planning, reinforced, in 51% of the cycles, by protection from additional barrier methods. It was concluded that the Bioself device is an effective contraceptive aid for couples who are aware of the pros and cons of natural family planning and desire a noninvasive means of contraception.

Adult↗

Catholic perspectives on populations issues II.

This Bulletin discusses the history and current status of the population problem from a Roman Catholic viewpoint. While upholding human rights and admitting the right of couples to control the size of their families, the Catholic Church continues to prohibit the use of artificial methods of contraception as sinful. This position hinders the Church, with its some 750 million adherents, from taking an effective lead in confronting the growing threat of global overpopulation. Rhythm has been permitted since 1930 but Pope Pius 12 in 1958 forbade contraceptive use of the pill. Despite the liberal spirit engendered by Vatican Council 2 and against the recommendation of a papal birth control commission, Pope Paul 6 in his 1968 Encyclical Humanae vitae reaffirmed the ban on artificial contraception, apparently convinced that this was necessary to combat growing sexual immorality, family breakdown, and materialism. This stance has been upheld by Pope John Paul 2 and the 1980 Synod of Bishops. The decision ignores the pleas of a number of responsible churchmen speaking for their people at the Synod and of a growing majority of Catholic theologians and laity, that Church teaching must be updated to take account of the facts of modern life. Surveys reveal that Catholic married couples increasingly find Church-approved natural family planning methods unsatisfactory and feel obliged to turn to artificial methods to regulate their family size. On the world scale, Pope John Paul 2 and the Vatican, while insisting on human rights and the need for a reordering of unjust economic, social, and political structures, seem to be neglecting the threat of civilizational breakdown that looms with the prospect of too many people in too little space with too few resources.

Abortion, Induced↗