Types of Natural Family Planning: Fertility Awareness Methods: 8: This method combines the use of ovulation detection with other signs of ovulation (cervical mucus, BBT, cervix position and softness) to avoid pregnancy during a woman's fertile period. Advantage(s): Teaches couples to understand their fertility and work with their bodies. Disadvantage(s): Needs funds for monthly Kit, Requires motivation, cooperation, ineffective in the prevention of STDs