"RED" days show when their is a risk of pregnancy "GREEN" days show when you can have unprotected sex without worrying about getting pregnant. Cyclotest myWay makes knowing your fertility window it super super easy! Buy Cyclotest here: http://natural-intimacy.com/natural-contraception/cyclotest-natural-family-planning-monitors.html
Get 5.3 fertile days each month with Ava. The Ava fertility tracker monitors physiological parameters continuously throughout the night. Some of these parameters change in correlation with reproductive hormones throughout the menstrual cycle. Ava’s algorithms use the data gathered about these parameters to detect a woman’s entire fertile window.