AiS Conception & Contraception Calendar - Version 3.2 This womans` contraception and conception calendar with baby gender predictions helps you to use natural (rhythmic) contraception method. This calendar shows the best time for conception and for safe love in a one year calendar. You can print it and use it everywhere. Shown days: menstruation, safe love, conception of girl, ovulation, conception of boy, forecast of menstruation for several months, day of conception, forecast of birthday, birthday. Multilingual interface.