North Andover Massachusetts - Natural Family Planning This method includes careful tracking of a person’s menstrual cycle and determining the days of highest fertility. There are several ways to track fertility cycles and menstrual cycles including: cycle beads, cervical fluid monitoring, and body temperature monitoring. HQ nurse practitioners can discuss the methods of these fertility awareness techniques and how effective they may be. Twenty-four out of every 100 couples who use fertility awareness-based methods each year will have a pregnancy if they don’t always use the method correctly or consistently. Always practicing these methods correctly will make them more effective.