Methods While finding the best method for you is more than just facts and figures, this chart can get you started. It summarizes the most popular, best-researched FABMs. (Data cited from FACTS - Fertility Appreciation Collaborative to Teach the Science) BiomarkersBiomarkersReliability - Perfect UseReliability - Perfect UseReliability - Typical UseReliability - Typical UseIn-Person InstructionIn-Person InstructionOnline InstructionOnline InstructionOngoing SupportOngoing SupportOvulation$20 / monthBiomarkersCervical fluid (mucus)Reliability - Perfect Use99%Reliability - Typical Use83-97%In-Person Instruction$120 - $450(3-8 hours)($40-$60 per session) $35 materials Online InstructionOngoing Support Sympto-Thermal$99 / monthBiomarkersCervical fluid (mucus) Basal temperatureReliability - Perfect Use99%Reliability - Typical Use98-99%In-Person Instruction$1304-8 hoursOnline Instruction Ongoing Support Sympto-Hormonal$60 / monthBiomarkersCervical fluid (mucus)Hormone levelsReliability - Perfect Use98-99%Reliability - Typical Use86-93%In-Person Instruction$60 $175 monitor$18-20/mo test strips4-8 hoursOnline InstructionOngoing Support REMEMBER! Effective use of any FABM to avoid pregnancy depends on motivation, couple communication, and proper learning of the method.