| Creighton Model / FertilityCare | |
|---|---|
| Background | |
| Type | Behavioral |
| First use | 1980 |
| Failure rates (first year) | |
| Perfect use | 0.5%[1] |
| Typical use | 3.2%[1] |
| Usage | |
| Reversibility | Immediate |
| User reminders | Accurate instruction & daily charting are key. |
| Clinic review | None |
| Advantages and disadvantages | |
| STI protection | No |
| Period advantages | Prediction |
| Weight gain | No |
| Benefits | Low direct cost; no side effects; in accord with Catholic teachings; may be used to aid pregnancy achievement |
The Creighton Model FertilityCare System (Creighton Model, FertilityCare, CrMS) is a form of natural family planning which involves identifying the fertile period during a woman's menstrual cycle. The Creighton Model was developed by Thomas Hilgers, the founder and director of the Pope Paul VI Institute. This model, like the Billings ovulation method, is based on observations of cervical mucus to track fertility. Creighton can be used for both avoiding pregnancy and achieving pregnancy.
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Creighton Model FertilityCare System - A Natural System that Couples Can Use to Prevent Pregnancy
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PCOS and NaProTECHNOLOGY - Dr. Strout (Medical Consultant in NaPro)
Transcription
Conceptual basis
Hilgers describes the Creighton Model as being based on "a standardized modification of the Billings ovulation method (BOM)", which was developed by John and Evelyn Billings in the 1960s.[2] The Billingses issued a paper refuting the claim that the CrMS represents a standardization of the BOM. According to the Billingses said that those concepts are two different methods and should not be seen as interchangeable.[3]
Effectiveness
For avoiding pregnancy, the perfect-use failure rate of Creighton was 0.5%, which means that for each year that 1,000 couples using this method perfectly, that there are 5 unintended pregnancies. The typical-use failure rate, representing the fraction of couples using this method that actually had an unintended pregnancy, is reported as 3.2%.[1][4]
For achieving pregnancy, no large clinical trials have been performed comparing ART and NaProTechnology. Only observational one-arm studies have been published so far.[5][6][7] In the larger of these three studies, 75% of couples trying to conceive received additional hormonal stimulation such as clomiphene.[5]
References
- ^ a b c Hilgers, TW; Stanford, JB (1998). "Creighton Model NaProEducation Technology for avoiding pregnancy. Use effectiveness". The Journal of Reproductive Medicine. 43 (6): 495–502. PMID 9653695.
- ^ Creighton Model
- ^ Some Clarifications Concerning NaProTECHNOLOGY and the Billings Ovulation Method Archived 2007-09-28 at the Wayback Machine
- ^ Pallone, S. R.; Bergus, G. R. (2009). "Fertility Awareness-Based Methods: Another Option for Family Planning". The Journal of the American Board of Family Medicine. 22 (2): 147–157. doi:10.3122/jabfm.2009.02.080038. PMID 19264938. S2CID 26459027.
- ^ a b Stanford, J. B.; Parnell, T. A.; Boyle, P. C. (2008). "Outcomes From Treatment of Infertility With Natural Procreative Technology in an Irish General Practice". The Journal of the American Board of Family Medicine. 21 (5): 375–84. doi:10.3122/jabfm.2008.05.070239. hdl:10379/13999. PMID 18772291.
- ^ Tham, Elizabeth; Schliep, Karen; Stanford, Joseph (2012). "Natural procreative technology for infertility and recurrent miscarriage: outcomes in a Canadian family practice". Canadian Family Physician. 58 (5): e267–74. PMC 3352813. PMID 22734170.
- ^ Stanford, Joseph B.; Carpentier, Paul A.; Meier, Barbara L.; Rollo, Mark; Tingey, Benjamin (2021). «Restorative reproductive medicine for infertility in two family medicine clinics in New England, an observational study». BMC Pregnancy and Childbirth 21 (1): 495. ISSN 1471-2393. PMC 8265110. PMID 34233646. doi:10.1186/s12884-021-03946-8.
Further reading
- Hilgers, Thomas W., M.D., The NaPro Technology Revolution: unleashing the Power in a Woman's Cycle. New York: Beaufort Books, 2010. Print.
- Hilgers, Thomas W. The Medical & Surgical Practice of NaProTECHNOLOGY. Omaha: Pope Paul VI Institute, 2004. N. pag. Print.
- Moore, Keith L., T, V.N Persaud, and Mark G. Torchia. Before we are Born Essentials of Embryology and Birth Defects. 8th ed. Philadelphia: Elsevier Inc., 2013. Print.
- Unleashing the Power of a Woman's Cycle. Pope Paul VI Institute, 2006. Web. 14 Nov. 2012. <http://www.naprotechnology.com/index.html Archived 2012-06-16 at the Wayback Machine>.
- Jemelka, B. E., & Parker, D. W., & Mirkes, R. (2013). «NapProTECHNOLOGY and Conscientious OB/GYN Medicine». American Medical Association Journal of Ethics, 15.
- Hilgers, T. W. (2011). The New Women’s Health Science of NaProTECHNOLOGY. Archives of Perinatal Medicine, 17(4). Retrieved from https://web.archive.org/web/20150824051921/http://fertilitycare.net/documents/APM174-2-Hilgers.pdf
- Stanford, J. B.; Parnell, T. A.; Boyle, P. C. (2008). "Outcomes From Treatment of Infertility With Natural Procreative Technology in an Irish General Practice". The Journal of the American Board of Family Medicine. 21 (5): 375–84. doi:10.3122/jabfm.2008.05.070239. hdl:10379/13999. PMID 18772291.
- Hilgers, TW; Stanford, JB (1998). "Creighton Model NaProEducation Technology for avoiding pregnancy. Use effectiveness". The Journal of Reproductive Medicine. 43 (6): 495–502. PMID 9653695.
- Lora, José María Murcia; Martínez, Oscar Martínez; Simoni, Jennifer; Calvo, Marian Martínez; Andrés, Alberto Falces de; Mejía, Jorge Enrique; Simoni, Diglio; Alcázar, Juan Luis (2022). «Fertile window and biophysical biomarkers of cervical secretion in subfertile cycles: a look at biotechnology applied to NaProTechnology». Clinical and Experimental Obstetrics & Gynecology 49 (1): 17. ISSN 0390-6663. doi:10.31083/j.ceog4901017.
External links
- Creighton Model official site
- Pope Paul VI Institute for the Study of Human Reproduction
- Interview with Dr. Thomas Hilgers, Director of the Pope Paul VI Institute
This page was last edited on 21 February 2024, at 03:25