Home » Calculators » Date of conceptionDate of conception First day of your last menstrual periodCycle LengthSecond part of the cycle Please, Enter all values correctly. PrevPreviousChild gender by RH factor of parents NextFertility CalendarNext How useful was this post? Click on a star to rate it! Submit Rating Average rating 4 / 5. Vote count: 1 No votes so far! Be the first to rate this post.