Seeking Couples for CEIBA Study on using CrM to avoid Pregnancy
CEIBA (pronounced as “SAY- BA”): Creighton Model Effectiveness, Intentions and Behaviors Assessment The Creighton Model FertilityCare System (CrM) is the most standardized and medically developed method of natural family planning in the United States. It is based on the observations of biomarkers of the menstrual cycles, particularly vaginal bleeding and cervical fluid. It can be [...]
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30. May, 2010 

