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The CrMS relies upon the standardized observation and charting of biological markers that are essential to a woman's health and fertility. These 'biomarkers" tell the couple when they are naturally fertile and infertile, allowing the couple to use the system either to achieve or to avoid pregnancy. These biomarkers also telegraph abnormalities in a woman's health. The CrMS allows a woman to unravel the mysteries of the menstrual cycle.


The CrMS is also the basis for the new women's health science, NaProTECHNOLOGY (natural procreative technology).  The Creighton Model FertilityCare™ System (CrMS) is a standardized modification of the Billings Ovulation Method.  It is built on research, education and service (the “triangle of support” for the CrMS user)and is an integrated educational system designed to assure the highest quality service delivery possible for the FertilityCare™ Educator, Practitioner and the client couple. 

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