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Recent Studies

  • Divorce Rate Study Published in the Catholic Social Science Review of 2002, volume 7 pgs. 185-211 and Presented at the Pontifical Academy for Life in Vatican City, Europe 2005.  And published in the Proceedings of the Academy 2006 For many years, research has pointed to substantial differences between couples who practice Natural Family Planning (NFP) and couples who use artificial birth control. Using data collected from a sample of women in the United States of America who practice natural family planning and comparing them to well-known national surveys, this study examines the effects of Natural Family Planning and artificial birth control on several dimensions of marital and family life. The study finds that NFP women have lower rates of abortion and divorce (0.2%), than women in the national samples. The NFP women are more likely to be married and are more likely to recommend premarital chastity to young women. The study also finds a high level of success in family life among NFP women, as well as strong religious faith. Results support the hypothesis that natural family planning is associated with positive spousal relationships and family stability. Interpretations of new data are discussed.

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  • Postponing Pregnancy study Guatemala 2007 – 2010 Presented at International Institute of Restorative Reproductive Medicine in July 2010 99.3% effectiveness. 506 Couples, 3341 cycles. It has been thought that low socio-economic levels of population would be unable to understand and have the necessary discipline to practice the Ovulation Method of Natural Family Planning.

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  • Achieving Pregnancy Guatemala 2010 – 2013 Presented at the Pontifical Academy for Life in Vatican City, Europe 54 Couples, 56% effectiveness. Published by the Academy in 2012. The results of the 3 year of the ongoing study in 2013 are 85.19% This presentation is based on scientific knowledge originally provided by over 750,000 hormonal correlations conducted by the famous scientist James B. Brown who worked very closely with Drs. John and Evelyn Billings in Melbourne, Australia. Prof. Brown proved that the simple signs of fertility that a woman has during the short period of fertility (about 100 hours), coincides perfectly with the laboratory results he performed over the years.

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  • China Study - Friendly Collaboration And Fruitful Achievement
    Some Experiences and Understandings of the Research Work on the Billings Ovulation Method used in Shanghai, China by:
    Dr. Zhang De-wei, Advisor- State Family Planning Commission;
    Vice President- National Advisory Committee of MCH Ministry of Public Health; President-Shanghai Society of Family Planning Science, September 1, 1992, updated January 31, 1994

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