Types of Natural Family Planning: Fertility Awareness Methods: 5: A woman assesses for vaginal secretions daily. If she feels secretions for 2 days in a row she avoids coitus that day and the day following as the presence of secretions suggests fertility. Requires conscientious daily assessment and results in about 12 days per month in which she should avoid coitus, the same as a calendar method Advantage(s): No cost Disadvantage(s): Requires motivation, cooperation; ineffective in the prevention of STD