The Different Methods
Billings Ovulation Method http://www.boma-usa.com/
Women observe the external mucus that is produced when estrogen is alerting them to approaching ovulation. When progesterone is high, cervical crypts produce a thick mucus that is very difficult for sperm to penetrate and usually not visible externally.
additional links:
World Organization of the Ovulation Method: http://www.woomb.org
Fertility Care Creighton Model Services http://www.creightonmodel.com
Women observe the external mucus that is produced when estrogen is alerting them to approaching ovulation. When progesterone is high, cervical crypts produce a thick mucus that is very difficult for sperm to penetrate and usually not visible externally.
additional links:
American Academy of Fertility Care Professionals: http://www.aafcp.org
Creighton Model Fertility Care Services: http://www.creightonmodel.com
Pope Paul VI Institute: http://www.popepaulvi.com
Department of Fertility Care Services, St. John’s Mercy Medical Center: http://www.stjohnsmercy.org/services/fertility
Fertility Care Centers of America: http://www.fertilitycare.org
Fertility Care Centers of Europe: www.fertilitycare.net
NaProTECHNOLOGY: http://www.naprotechnology.com
Sympto-Thermal/Couple to Couple (CCL) http://www.ccli.org/chapter/stlouis.php
Couples are taught to observe mucus and cervix signs, which signal the approach of ovulation, and the temperature sign which typically accompanies ovulation.
additional links:
Couple to Couple League: http://ccli.org
Marquette Method http://www.slu.edu/colleges/NR/ncfe
Established in 2002, the Saint Louis University Nursing Center for Fertility Education, provides professional education, research and classes in natural family planning (NFP). Included in the Marquette program: Clearblue Easy Fertility Monitor, a device used at home to measure hormone levels, plus instruction in observation of cervical mucus or basal body temperature.
additional links:
Marquette Method National Site: http://www.marquette.edu/nursing/NFP