FFP 461 | Is Fertility Awareness Really 99.4% Effective? | FAMM Research Series | Lisa | Fertility Friday
Fertility Friday | Fertility Awareness Mastery for Women's Health Professionals
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The Pre-Ovulatory Infertile Day Calculation
Participants were instructed to consider day six forward in the pre-ovulatory phase to be fertile until they had charted a minimum of 12 menstrual cycles. After that time, there is a calculation that they would use to determine their last infertile day based on their earliest ovulation. In other words, for the pre-OVulatory phase, they are using a double check method. They're not just using cervical fluid as the only option.
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